diff --git a/maps/mountain_fortress_v3/entities.lua b/maps/mountain_fortress_v3/entities.lua
index bc35d5c4..9e3876ef 100644
--- a/maps/mountain_fortress_v3/entities.lua
+++ b/maps/mountain_fortress_v3/entities.lua
@@ -634,6 +634,15 @@ local function on_entity_died(event)
         surface = entity.surface
     }
 
+    if entity.type == 'tree' then
+        if Locomotive.is_around_train(entity) then
+            entity.destroy()
+            return
+        end
+        angry_tree(entity, event.cause)
+        return
+    end
+
     if entity_type[entity.type] then
         if Locomotive.is_around_train(entity) then
             entity.destroy()
@@ -658,15 +667,6 @@ local function on_entity_died(event)
         end
     end
 
-    if entity.type == 'tree' then
-        if Locomotive.is_around_train(entity) then
-            entity.destroy()
-            return
-        end
-        angry_tree(event.entity, event.cause)
-        return
-    end
-
     if entity.type == 'simple-entity' then
         Mining.entity_died_randomness(data)
         entity.destroy()
@@ -707,8 +707,6 @@ function Public.loco_died()
             data.position = {x = 0, y = 0}
         end
 
-        this.survival_time = game.tick - this.last_reset
-
         local msg = mapkeeper .. defeated_messages[random(1, #defeated_messages)] .. '\nBetter luck next time.'
         Alert.alert_all_players_location(data, msg, nil, 6000)
         Reset_map()
@@ -849,9 +847,6 @@ local function on_robot_built_entity(event)
     local upg = this.upgrades
     local surface = entity.surface
 
-    local e = {x = entity.position.x, y = entity.position.y}
-    local get_tile = surface.get_tile(e)
-
     local built = {
         ['land-mine'] = upg.landmine.built,
         ['flamethrower-turret'] = upg.flame_turret.built
@@ -901,10 +896,6 @@ local function on_robot_built_entity(event)
             entity.destroy()
         end
     end
-    if get_tile.valid and get_tile.name == 'black-refined-concrete' then
-        entity.destroy()
-        return
-    end
 end
 
 local on_player_or_robot_built_tile = function(event)
@@ -934,6 +925,9 @@ local on_player_or_robot_built_tile = function(event)
         if old_tile.name == 'hazard-concrete-right' then
             surface.set_tiles({{name = 'hazard-concrete-right', position = v.position}}, true)
         end
+        if old_tile.name == 'tutorial-grid' then
+            surface.set_tiles({{name = 'tutorial-grid', position = v.position}}, true)
+        end
     end
 end
 
diff --git a/maps/mountain_fortress_v3/ic/functions.lua b/maps/mountain_fortress_v3/ic/functions.lua
index 94cb22e3..361230fb 100644
--- a/maps/mountain_fortress_v3/ic/functions.lua
+++ b/maps/mountain_fortress_v3/ic/functions.lua
@@ -4,6 +4,7 @@ local Task = require 'utils.task'
 local Token = require 'utils.token'
 
 local Public = {}
+local random = math.random
 
 local function validate_entity(entity)
     if not entity then
@@ -27,6 +28,27 @@ local function upperCase(str)
     return (str:gsub('^%l', string.upper))
 end
 
+local function render_owner_text(player, entity)
+    local color = {
+        r = player.color.r * 0.6 + 0.25,
+        g = player.color.g * 0.6 + 0.25,
+        b = player.color.b * 0.6 + 0.25,
+        a = 1
+    }
+    rendering.draw_text {
+        text = '## - ' .. player.name .. "'s " .. entity.name .. ' - ##',
+        surface = entity.surface,
+        target = entity,
+        target_offset = {0, -2.6},
+        color = color,
+        scale = 1.05,
+        font = 'default-large-semibold',
+        alignment = 'center',
+        scale_with_zoom = false
+    }
+    entity.color = color
+end
+
 local function kill_doors(ic, car)
     if not validate_entity(car.entity) then
         return
@@ -47,6 +69,42 @@ local function get_owner_car_object(cars, player)
     return false
 end
 
+local function get_player_surface(ic, player)
+    local surfaces = ic.surfaces
+    for k, surface in pairs(surfaces) do
+        if validate_entity(surface) then
+            if surface.index == player.surface.index then
+                return true
+            end
+        end
+    end
+    return false
+end
+
+local function get_player_entity(ic, player)
+    local cars = ic.cars
+    for k, car in pairs(cars) do
+        if car.owner == player.index and type(car.entity) == 'boolean' then
+            return car.name, true
+        elseif car.owner == player.index then
+            return car.name, false
+        end
+    end
+    return false, false
+end
+
+local function is_owner_on_car_surface(ic, player)
+    local cars = ic.cars
+    for k, car in pairs(cars) do
+        if validate_entity(car.surface) then
+            if car.owner == player.index and car.surface.index == player.surface.index then
+                return true
+            end
+        end
+    end
+    return false
+end
+
 local function get_owner_car_name(ic, player)
     local cars = ic.cars
     local saved_surfaces = ic.saved_surfaces
@@ -70,8 +128,7 @@ local function get_saved_entity(cars, entity, index)
                 {
                     'The built entity is not the same as the saved one. ',
                     'Saved entity is: ' ..
-                        upperCase(car.name) .. ' - Built entity is: ' .. upperCase(entity.name) .. '. ',
-                    'This is not a bug. Do not report this!'
+                        upperCase(car.name) .. ' - Built entity is: ' .. upperCase(entity.name) .. '. '
                 }
             )
             return false, msg
@@ -145,6 +202,13 @@ local function remove_logistics(car)
     end
 end
 
+local function remove_simply_entity(car)
+    local surface = car.surface
+    for _, entity in pairs(surface.find_entities_filtered {name = 'sand-rock-big'}) do
+        entity.destroy()
+    end
+end
+
 local function set_new_area(ic, car)
     local new_area = ic.car_areas
     local name = car.name
@@ -167,6 +231,7 @@ local function upgrade_surface(ic, player, entity)
         local c = get_owner_car_object(cars, player)
         local car = ic.cars[c]
         car.name = 'tank'
+        remove_simply_entity(car)
         set_new_area(ic, car)
         remove_logistics(car)
         replace_entity(cars, ce, index)
@@ -252,7 +317,6 @@ local function restore_surface(ic, player, entity)
         local success, msg = get_saved_entity(cars, ce, index)
         if not success then
             player.print(msg, Color.warning)
-            ce.destroy()
             return true
         end
         replace_entity(cars, ce, index)
@@ -260,6 +324,7 @@ local function restore_surface(ic, player, entity)
         replace_surface(surfaces, ce, index)
         replace_surface_entity(cars, ce, index)
         saved_surfaces[player.index] = nil
+        render_owner_text(player, ce)
         return true
     end
     return false
@@ -431,14 +496,7 @@ function Public.save_car(ic, event)
     if car.owner == player.index then
         save_surface(ic, entity, player)
         if not ic.players[player.index].notified then
-            player.print(
-                player.name ..
-                    ', the ' ..
-                        car.name ..
-                            ' surface has been saved. Do notice that you can´t place down anything else other than a ' ..
-                                car.name .. '.',
-                Color.success
-            )
+            player.print(player.name .. ', the ' .. car.name .. ' surface has been saved.', Color.success)
             ic.players[player.index].notified = true
         end
     else
@@ -493,6 +551,24 @@ function Public.kill_car(ic, entity)
     ic.cars[entity.unit_number] = nil
 end
 
+function Public.validate_owner(ic, player, entity)
+    if validate_entity(entity) then
+        local cars = ic.cars
+        local unit_number = entity.unit_number
+        local car = cars[unit_number]
+        if car and car.entity and validate_entity(car.entity) then
+            local p = game.players[car.owner]
+            if p then
+                if car.owner ~= player.index and player.driving then
+                    return Utils.print_to(nil, '{Car} ' .. player.name .. ' is driving ' .. p.name .. '´s car.')
+                end
+            end
+        end
+        return false
+    end
+    return false
+end
+
 function Public.create_room_surface(ic, unit_number)
     if game.surfaces[tostring(unit_number)] then
         return game.surfaces[tostring(unit_number)]
@@ -544,6 +620,12 @@ function Public.create_car_room(ic, car)
         end
     end
 
+    if entity_name == 'car' then
+        surface.create_entity({name = 'sand-rock-big', position = {0, 20}})
+    elseif entity_name == 'tank' then
+        surface.create_entity({name = 'sand-rock-big', position = {0, 40}})
+    end
+
     local fishes = {}
 
     for x = area.left_top.x, area.right_bottom.x - 1, 1 do
@@ -604,7 +686,6 @@ function Public.create_car(ic, event)
     local map_name = ic.allowed_surface
 
     local entity_type = ic.entity_type
-    local cars = ic.cars
     local un = ce.unit_number
 
     if not un then
@@ -615,12 +696,23 @@ function Public.create_car(ic, event)
         return
     end
 
+    local name, mined = get_player_entity(ic, player, ce)
+
+    if
+        name == 'tank' and ce.name == 'car' and not mined or name == 'car' and ce.name == 'car' and not mined or
+            name == 'car' and ce.name == 'tank' and not mined or
+            name == 'tank' and ce.name == 'tank' and not mined
+     then
+        return player.print('Multiple vehicles are not supported at the moment.', Color.warning)
+    end
+
     if string.sub(ce.surface.name, 0, #map_name) ~= map_name then
         return player.print('Multi-surface is not supported at the moment.', Color.warning)
     end
 
     if get_owner_car_name(ic, player) == 'car' and ce.name == 'tank' then
         upgrade_surface(ic, player, ce)
+        render_owner_text(player, ce)
         player.print('Your car-surface has been upgraded!', Color.success)
         return
     end
@@ -630,13 +722,6 @@ function Public.create_car(ic, event)
         return
     end
 
-    for _, c in pairs(cars) do
-        if c.owner == player.index then
-            ce.destroy()
-            return player.print('You already have a portable vehicle.', Color.warning)
-        end
-    end
-
     local car_areas = ic.car_areas
     local car_area = car_areas[ce.name]
 
@@ -655,6 +740,7 @@ function Public.create_car(ic, event)
 
     car.surface = Public.create_room_surface(ic, un)
     Public.create_car_room(ic, car)
+    render_owner_text(player, ce)
 
     return car
 end
@@ -681,6 +767,90 @@ function Public.remove_invalid_cars(ic)
     end
 end
 
+function Public.infinity_scrap(ic, event, recreate)
+    if not ic.infinity_scrap_enabled then
+        return
+    end
+
+    local entity = event.entity
+    if not entity or not entity.valid then
+        return
+    end
+    local player = game.players[event.player_index]
+    if not validate_player(player) then
+        return
+    end
+
+    event.buffer.clear()
+
+    if not is_owner_on_car_surface(ic, player) then
+        if get_player_surface(ic, player) then
+            entity.surface.create_entity({name = 'sand-rock-big', position = entity.position})
+            player.print('This is not your rock to mine!', Color.warning)
+            return
+        end
+    end
+
+    if recreate then
+        entity.surface.create_entity({name = 'sand-rock-big', position = entity.position})
+        return
+    end
+
+    local items = {
+        'iron-plate',
+        'iron-gear-wheel',
+        'copper-plate',
+        'copper-cable',
+        'pipe',
+        'explosives',
+        'firearm-magazine',
+        'stone-brick'
+    }
+
+    local ores = {
+        'iron-ore',
+        'iron-ore',
+        'copper-ore',
+        'coal'
+    }
+
+    local reward
+    local size
+    local count
+    if random(1, 2) == 1 then
+        reward = items
+        size = #items
+        count = random(1, 10)
+    else
+        reward = ores
+        size = #ores
+        count = random(25, 100)
+    end
+
+    local name = reward[random(1, size)]
+
+    if entity.name ~= 'sand-rock-big' then
+        return
+    end
+    if get_player_surface(ic, player) then
+        if entity.position.x == 0 and entity.position.y == 20 or entity.position.y == 40 then
+            entity.surface.create_entity({name = 'sand-rock-big', position = entity.position})
+            player.insert({name = name, count = count})
+            if random(1, 4) == 1 then
+                player.insert({name = 'coin', count = 1})
+            end
+            player.surface.create_entity(
+                {
+                    name = 'flying-text',
+                    position = entity.position,
+                    text = '+' .. count .. ' [img=item/' .. name .. ']',
+                    color = {r = 0, g = 127, b = 33}
+                }
+            )
+        end
+    end
+end
+
 function Public.teleport_players_around(ic)
     for _, player in pairs(game.connected_players) do
         if not validate_player(player) then
diff --git a/maps/mountain_fortress_v3/ic/main.lua b/maps/mountain_fortress_v3/ic/main.lua
index 1abd746d..f913b93e 100644
--- a/maps/mountain_fortress_v3/ic/main.lua
+++ b/maps/mountain_fortress_v3/ic/main.lua
@@ -1,3 +1,5 @@
+require 'modules.check_fullness'
+
 local Event = require 'utils.event'
 local Functions = require 'maps.mountain_fortress_v3.ic.functions'
 local IC = require 'maps.mountain_fortress_v3.ic.table'
@@ -12,12 +14,15 @@ local function on_entity_died(event)
         return
     end
 
-    if not entity.type == 'car' then
-        return
+    local ic = IC.get()
+
+    if entity.type == 'car' then
+        Functions.kill_car(ic, entity)
     end
 
-    local ic = IC.get()
-    Functions.kill_car(ic, entity)
+    if entity.name == 'sand-rock-big' then
+        Functions.infinity_scrap(ic, entity, true)
+    end
 end
 
 local function on_player_mined_entity(event)
@@ -26,17 +31,15 @@ local function on_player_mined_entity(event)
         return
     end
 
-    if not entity.type == 'car' then
-        return
-    end
-
-    local player = game.players[event.player_index]
-    if not player or not player.valid then
-        return
-    end
-
     local ic = IC.get()
-    Functions.save_car(ic, event)
+
+    if entity.type == 'car' then
+        Functions.save_car(ic, event)
+    end
+
+    if entity.name == 'sand-rock-big' then
+        Functions.infinity_scrap(ic, event)
+    end
 end
 
 local function on_robot_mined_entity(event)
@@ -45,13 +48,15 @@ local function on_robot_mined_entity(event)
     if not entity and not entity.valid then
         return
     end
+    local ic = IC.get()
 
-    if not entity.type == 'car' then
-        return
+    if entity.type == 'car' then
+        Functions.kill_car(ic, entity)
     end
 
-    local ic = IC.get()
-    Functions.kill_car(ic, entity)
+    if entity.name == 'sand-rock-big' then
+        Functions.infinity_scrap(ic, event, true)
+    end
 end
 
 local function on_built_entity(event)
@@ -78,6 +83,7 @@ local function on_player_driving_changed_state(event)
     local player = game.players[event.player_index]
 
     Functions.use_door_with_entity(ic, player, event.entity)
+    Functions.validate_owner(ic, player, event.entity)
 end
 
 local function on_tick()
diff --git a/maps/mountain_fortress_v3/ic/table.lua b/maps/mountain_fortress_v3/ic/table.lua
index e73ec11c..4ab24b2b 100644
--- a/maps/mountain_fortress_v3/ic/table.lua
+++ b/maps/mountain_fortress_v3/ic/table.lua
@@ -29,6 +29,7 @@ function Public.reset()
     this.allowed_surface = 'nauvis'
     this.players = {}
     this.surfaces = {}
+    this.infinity_scrap_enabled = true
     this.entity_type = {
         ['car'] = true,
         ['tank'] = true
diff --git a/maps/mountain_fortress_v3/icw/functions.lua b/maps/mountain_fortress_v3/icw/functions.lua
index 4fb2eaba..6e26169a 100644
--- a/maps/mountain_fortress_v3/icw/functions.lua
+++ b/maps/mountain_fortress_v3/icw/functions.lua
@@ -2,6 +2,8 @@ local Public = {}
 
 local ICW = require 'maps.mountain_fortress_v3.icw.table'
 
+local random = math.random
+
 local rock_raffle = {
     'sand-rock-big',
     'sand-rock-big',
@@ -429,13 +431,13 @@ function Public.create_wagon_room(icw, wagon)
         end
     end
 
-    -- for x = -35, 30, 1 do
-    --     for y = -5, 45, 1 do
-    --         if math.random(1, 4) == 1 then
-    --             fishes[#fishes + 1] = {name = rock_raffle[math.random(1, size_of_rock_raffle)], position = {x, y}}
-    --         end
-    --     end
-    -- end
+    for x = area.left_top.x, area.right_bottom.x - 1, 1 do
+        for y = area.left_top.y + 2, area.right_bottom.y - 3, 1 do
+            if random(1, 16) == 1 then
+                fishes[#fishes + 1] = {name = rock_raffle[random(1, size_of_rock_raffle)], position = {x, y}}
+            end
+        end
+    end
 
     surface.set_tiles(tiles, true)
 
@@ -469,13 +471,6 @@ function Public.create_wagon_room(icw, wagon)
         return
     end
 
-    -- this.wagon_areas = {
-    --     ['cargo-wagon'] = {left_top = {x = -20, y = 0}, right_bottom = {x = 20, y = 60}},
-    --     ['artillery-wagon'] = {left_top = {x = -20, y = 0}, right_bottom = {x = 20, y = 60}},
-    --     ['fluid-wagon'] = {left_top = {x = -20, y = 0}, right_bottom = {x = 20, y = 60}},
-    --     ['locomotive'] = {left_top = {x = -20, y = 0}, right_bottom = {x = 20, y = 60}}
-    -- }
-
     if wagon.entity.type == 'cargo-wagon' then
         local multiple_chests = ICW.get('multiple_chests')
         local wagon_areas = ICW.get('wagon_areas')
@@ -616,6 +611,57 @@ function Public.create_wagon_room(icw, wagon)
     end
 end
 
+function Public.locomotive_mining(icw, event)
+    local entity = event.entity
+    if not entity or not entity.valid then
+        return
+    end
+    local player = game.players[event.player_index]
+    if not validate_player(player) then
+        return
+    end
+
+    event.buffer.clear()
+
+    local items = {
+        'iron-plate',
+        'iron-gear-wheel',
+        'copper-plate',
+        'copper-cable',
+        'pipe',
+        'explosives',
+        'firearm-magazine',
+        'stone-brick'
+    }
+
+    local reward = items
+    local size = #items
+    local count = random(1, 20)
+    local name = reward[random(1, size)]
+
+    for k, surface in pairs(icw.surfaces) do
+        if validate_entity(surface) then
+            if player.surface.index == surface.index then
+                if entity.type ~= 'simple-entity' then
+                    return
+                end
+                player.insert({name = name, count = count})
+                if random(1, 4) == 1 then
+                    player.insert({name = 'coin', count = 1})
+                end
+                player.surface.create_entity(
+                    {
+                        name = 'flying-text',
+                        position = entity.position,
+                        text = '+' .. count .. ' [img=item/' .. name .. ']',
+                        color = {r = 0, g = 127, b = 33}
+                    }
+                )
+            end
+        end
+    end
+end
+
 function Public.create_wagon(icw, created_entity, delay_surface)
     if not validate_entity(created_entity) then
         return
diff --git a/maps/mountain_fortress_v3/icw/main.lua b/maps/mountain_fortress_v3/icw/main.lua
index 78ed4d31..164a8753 100644
--- a/maps/mountain_fortress_v3/icw/main.lua
+++ b/maps/mountain_fortress_v3/icw/main.lua
@@ -27,6 +27,12 @@ local function on_player_mined_entity(event)
         return
     end
     local icw = ICW.get()
+
+    Functions.locomotive_mining(icw, event)
+
+    if not icw.allow_player_to_build_trains then
+        return
+    end
     Functions.subtract_wagon_entity_count(icw, entity)
     Functions.kill_wagon(icw, entity)
 end
@@ -37,12 +43,18 @@ local function on_robot_mined_entity(event)
         return
     end
     local icw = ICW.get()
+    if not icw.allow_player_to_build_trains then
+        return
+    end
     Functions.subtract_wagon_entity_count(icw, entity)
     Functions.kill_wagon(icw, entity)
 end
 
 local function on_built_entity(event)
     local icw = ICW.get()
+    if not icw.allow_player_to_build_trains then
+        return
+    end
     local created_entity = event.created_entity
     Functions.create_wagon(icw, created_entity)
     Functions.add_wagon_entity_count(icw, created_entity)
@@ -50,6 +62,9 @@ end
 
 local function on_robot_built_entity(event)
     local icw = ICW.get()
+    if not icw.allow_player_to_build_trains then
+        return
+    end
     local created_entity = event.created_entity
     Functions.create_wagon(icw, created_entity)
     Functions.add_wagon_entity_count(icw, created_entity)
diff --git a/maps/mountain_fortress_v3/icw/table.lua b/maps/mountain_fortress_v3/icw/table.lua
index 045fb6de..7539c829 100644
--- a/maps/mountain_fortress_v3/icw/table.lua
+++ b/maps/mountain_fortress_v3/icw/table.lua
@@ -27,6 +27,7 @@ function Public.reset()
     this.players = {}
     this.surfaces = {}
     this.multiple_chests = true
+    this.allow_player_to_build_trains = false
     this.wagon_types = {
         ['cargo-wagon'] = true,
         ['artillery-wagon'] = true,
diff --git a/maps/mountain_fortress_v3/locomotive.lua b/maps/mountain_fortress_v3/locomotive.lua
index dfb9984f..34d05058 100644
--- a/maps/mountain_fortress_v3/locomotive.lua
+++ b/maps/mountain_fortress_v3/locomotive.lua
@@ -1952,7 +1952,7 @@ function Public.transfer_pollution()
     local active_surface_index = WPT.get('active_surface_index')
     local icw_locomotive = WPT.get('icw_locomotive')
     local surface = icw_locomotive.surface
-    if not surface then
+    if not surface or not surface.valid then
         return
     end
 
@@ -1974,7 +1974,7 @@ function Public.enable_poison_defense()
     end
     local pos = locomotive.position
     create_poison_cloud({x = pos.x, y = pos.y})
-    if random(1, 3) == 1 then
+    if random(1, 4) == 1 then
         local random_angles = {rad(random(359))}
         create_poison_cloud({x = pos.x + 24 * cos(random_angles[1]), y = pos.y + -24 * sin(random_angles[1])})
     end
diff --git a/maps/mountain_fortress_v3/main.lua b/maps/mountain_fortress_v3/main.lua
index 5e921ec1..1b81019e 100644
--- a/maps/mountain_fortress_v3/main.lua
+++ b/maps/mountain_fortress_v3/main.lua
@@ -50,11 +50,22 @@ local AntiGrief = require 'antigrief'
 
 local Public = {}
 local floor = math.floor
-local insert = table.insert
+local random = math.random
+local tile_damage = 50
 -- local raise_event = script.raise_event
 
 local starting_items = {['pistol'] = 1, ['firearm-magazine'] = 16, ['rail'] = 16, ['wood'] = 16, ['explosives'] = 32}
 
+local death_messages = {
+    'should have watched where they walked!',
+    'was not careful enough!',
+    'angered the overlords!',
+    'tried to walk the simple path!',
+    'melted away!',
+    'got obliterated!',
+    'tried to cheat their way north!'
+}
+
 local disable_recipes = function()
     local force = game.forces.player
     force.recipes['cargo-wagon'].enabled = false
@@ -66,6 +77,24 @@ local disable_recipes = function()
     force.recipes['pistol'].enabled = false
 end
 
+local show_text = function(msg, pos, color, surface)
+    if color == nil then
+        surface.create_entity({name = 'flying-text', position = pos, text = msg})
+    else
+        surface.create_entity({name = 'flying-text', position = pos, text = msg, color = color})
+    end
+end
+
+local init_new_force = function()
+    local new_force = game.forces.protectors
+    local enemy = game.forces.enemy
+    if not new_force then
+        new_force = game.create_force('protectors')
+    end
+    new_force.set_friend('enemy', true)
+    enemy.set_friend('protectors', true)
+end
+
 local collapse_kill = {
     entities = {
         ['laser-turret'] = true,
@@ -76,6 +105,7 @@ local collapse_kill = {
         ['locomotive'] = true,
         ['cargo-wagon'] = true,
         ['car'] = true,
+        ['tank'] = true,
         ['assembling-machine'] = true,
         ['furnace'] = true,
         ['steel-chest'] = true
@@ -144,48 +174,6 @@ local set_difficulty = function()
     end
 end
 
-local biter_settings = function()
-    -- -- biter settings
-    if WPT.get('enable_biter_settings') then
-        local Diff = Difficulty.get()
-        if not Diff.difficulty_vote_value then
-            Diff.difficulty_vote_value = 0.1
-        end
-        local plus = ((game.forces.enemy.evolution_factor * 100) + 50) / (77 - Diff.difficulty_vote_value * 2)
-        local sub = (((1 - game.forces.enemy.evolution_factor) * 100) + 50) / (73 + Diff.difficulty_vote_value * 2)
-        local enemy_expansion = game.map_settings.enemy_expansion
-        local unit_group = game.map_settings.unit_group
-        local path_finder = game.map_settings.path_finder
-        unit_group.max_wait_time_for_late_members = 3600 * plus
-        unit_group.max_member_speedup_when_behind = 3 * plus
-        unit_group.member_disown_distance = 20 * plus
-        unit_group.max_gathering_unit_groups = 10 * plus
-        path_finder.max_work_done_per_tick = 6000 * plus
-        path_finder.max_steps_worked_per_tick = 20 + (100 * plus)
-        if path_finder.max_steps_worked_per_tick > 2000 then
-            path_finder.max_steps_worked_per_tick = 200
-        end
-        enemy_expansion.building_coefficient = 0.1 * sub
-        enemy_expansion.other_base_coefficient = 2.0 * sub
-        enemy_expansion.neighbouring_chunk_coefficient = 0.5 * sub
-        enemy_expansion.neighbouring_base_chunk_coefficient = 0.4 * sub
-        enemy_expansion.max_expansion_distance = 20 * plus
-        if enemy_expansion.max_expansion_distance > 20 then
-            enemy_expansion.max_expansion_distance = 20
-        end
-        enemy_expansion.friendly_base_influence_radius = 8 * plus
-        enemy_expansion.enemy_building_influence_radius = 3 * plus
-        enemy_expansion.settler_group_min_size = 5 * plus
-        if enemy_expansion.settler_group_min_size < 1 then
-            enemy_expansion.settler_group_min_size = 1
-        end
-        enemy_expansion.settler_group_max_size = 20 * plus
-        if enemy_expansion.settler_group_max_size > 50 then
-            enemy_expansion.settler_group_max_size = 50
-        end
-    end
-end
-
 local render_direction = function(surface)
     local counter = WPT.get('soft_reset_counter')
     if counter then
@@ -320,6 +308,7 @@ function Public.reset_map()
     Group.alphanumeric_only(false)
 
     disable_tech()
+    init_new_force()
 
     local surface = game.surfaces[this.active_surface_index]
 
@@ -394,8 +383,6 @@ function Public.reset_map()
     Task.start_queue()
     Task.set_queue_speed(32)
 
-    -- biter_settings()
-
     this.chunk_load_tick = game.tick + 1200
     this.game_lost = false
 
@@ -420,6 +407,31 @@ local on_player_changed_position = function(event)
     local position = player.position
     local surface = game.surfaces[this.active_surface_index]
 
+    if not player.character then
+        return
+    end
+    if not player.character.valid then
+        return
+    end
+
+    local p = {x = player.position.x, y = player.position.y}
+    local get_tile = surface.get_tile(p)
+
+    if get_tile.valid and get_tile.name == 'lab-dark-2' then
+        if random(1, 2) == 1 then
+            if random(1, 2) == 1 then
+                show_text('This path is not for players!', p, {r = 0.98, g = 0.66, b = 0.22}, surface)
+            end
+            player.surface.create_entity({name = 'fire-flame', position = player.position})
+            player.character.health = player.character.health - tile_damage
+            if player.character.health == 0 then
+                player.character.die()
+                local message = player.name .. ' ' .. death_messages[random(1, #death_messages)]
+                game.print(message, {r = 0.98, g = 0.66, b = 0.22})
+            end
+        end
+    end
+
     if position.y >= 74 then
         player.teleport({position.x, position.y - 1}, surface)
         player.print('Forcefield does not approve.', {r = 0.98, g = 0.66, b = 0.22})
@@ -840,11 +852,6 @@ local on_tick = function()
     local update_gui = Gui_mf.update_gui
     local tick = game.tick
 
-    -- if tick % 36000 == 0 then
-    if tick % 360 == 0 then
-        biter_settings()
-    end
-
     if tick % 60 == 0 then
         for _, player in pairs(game.connected_players) do
             update_gui(player)
diff --git a/maps/mountain_fortress_v3/mining.lua b/maps/mountain_fortress_v3/mining.lua
index 1ad01ad2..06c77e08 100644
--- a/maps/mountain_fortress_v3/mining.lua
+++ b/maps/mountain_fortress_v3/mining.lua
@@ -1,4 +1,5 @@
 local WPT = require 'maps.mountain_fortress_v3.table'
+require 'modules.check_fullness'
 
 local Public = {}
 local random = math.random
@@ -13,6 +14,15 @@ local valid_rocks = {
     ['rock-huge'] = true
 }
 
+local valid_trees = {
+    ['dry-tree'] = true,
+    ['tree-01'] = true,
+    ['tree-02-red'] = true,
+    ['tree-03'] = true,
+    ['tree-04'] = true,
+    ['tree-08-brown'] = true
+}
+
 local rock_yield = {
     ['rock-big'] = 1,
     ['rock-huge'] = 2,
@@ -31,6 +41,8 @@ local function create_particles(surface, name, position, amount, cause_position)
     local d1 = (-100 + random(0, 200)) * 0.0004
     local d2 = (-100 + random(0, 200)) * 0.0004
 
+    name = name or 'leaf-particle'
+
     if cause_position then
         d1 = (cause_position.x - position.x) * 0.025
         d2 = (cause_position.y - position.y) * 0.025
@@ -56,12 +68,6 @@ local function create_particles(surface, name, position, amount, cause_position)
     end
 end
 
-local function compute_fullness(player)
-    local free_slots = player.get_main_inventory().count_empty_stacks()
-
-    return free_slots
-end
-
 local function mining_chances_ores()
     local data = {
         {name = 'iron-ore', chance = 545},
@@ -86,7 +92,7 @@ local function get_amount(data)
     local entity = data.entity
     local this = data.this
     local distance_to_center = floor(sqrt(entity.position.x ^ 2 + entity.position.y ^ 2))
-    local type_modifier
+    local type_modifier = 1
     local amount
     local second_amount
 
@@ -140,49 +146,29 @@ function Public.entity_died_randomness(data)
     create_particles(surface, particle, position, 64, {x = entity.position.x, y = entity.position.y})
 end
 
-local function debug_print(str)
-    local debug = WPT.get('debug')
-    if debug then
-        print(str)
-    end
-end
-
 local function randomness(data)
     local entity = data.entity
     local player = data.player
     local this = data.this
-    local fullness_enabled = this.fullness_enabled
     local harvest
     local harvest_amount
-    local fullness = compute_fullness(player)
 
-    if not fullness_enabled then
-        goto continue
+    local n = entity.name
+    if n == 'tree-08-brown' then
+        harvest = 'stone'
+    elseif n == 'tree-04' then
+        harvest = 'coal'
+    elseif n == 'tree-02-red' then
+        harvest = 'copper-ore'
+    elseif n == 'tree-01' then
+        harvest = 'iron-ore'
+    elseif n == 'tree-03' then
+        harvest = 'coal'
+    elseif n == 'dry-tree' then
+        harvest = 'wood'
+    else
+        harvest = harvest_raffle_ores[random(1, size_of_ore_raffle)]
     end
-
-    debug_print(player.name .. ' is ' .. fullness .. '% full.')
-
-    if fullness == 0 then
-        if player.character then
-            player.character.health = player.character.health - random(50, 100)
-            player.character.surface.create_entity({name = 'water-splash', position = player.position})
-            local messages = {
-                'Ouch.. That hurt! Better be careful now.',
-                'Just a fleshwound.',
-                'Better keep those hands to yourself or you might loose them.'
-            }
-            player.print(messages[random(1, #messages)], {r = 0.75, g = 0.0, b = 0.0})
-            if player.character.health <= 0 then
-                player.character.die('enemy')
-                game.print(player.name .. ' should have emptied their pockets.', {r = 0.75, g = 0.0, b = 0.0})
-                return
-            end
-        end
-    end
-
-    ::continue::
-
-    harvest = harvest_raffle_ores[random(1, size_of_ore_raffle)]
     harvest_amount = get_amount(data)
 
     local position = {x = entity.position.x, y = entity.position.y}
@@ -228,25 +214,25 @@ function Public.on_player_mined_entity(event)
     if not entity.valid then
         return
     end
-    if not valid_rocks[entity.name] then
-        return
-    end
 
     local player = game.players[event.player_index]
-    local this = WPT.get()
-    if not player then
+    if not player or not player.valid then
         return
     end
 
-    event.buffer.clear()
+    local this = WPT.get()
 
-    local data = {
-        this = this,
-        entity = entity,
-        player = player
-    }
+    if valid_rocks[entity.name] or valid_trees[entity.name] then
+        event.buffer.clear()
 
-    randomness(data)
+        local data = {
+            this = this,
+            entity = entity,
+            player = player
+        }
+
+        randomness(data)
+    end
 end
 
 return Public
diff --git a/maps/mountain_fortress_v3/resource_generator.lua b/maps/mountain_fortress_v3/resource_generator.lua
index 1e0eb807..b55298d7 100644
--- a/maps/mountain_fortress_v3/resource_generator.lua
+++ b/maps/mountain_fortress_v3/resource_generator.lua
@@ -425,7 +425,7 @@ local function spawn_science_buildings(entities, p, probability)
     entities[#entities + 1] = {
         name = science_list[probability].name,
         position = p,
-        force = 'player',
+        force = 'neutral',
         callback = science_list[probability].callback,
         collision = true,
         e_type = types
@@ -436,7 +436,7 @@ local function spawn_ammo_building(entities, p, probability)
     entities[#entities + 1] = {
         name = ammo_list[probability].name,
         position = p,
-        force = 'player',
+        force = 'neutral',
         callback = ammo_list[probability].callback,
         collision = true,
         e_type = types
@@ -447,7 +447,7 @@ local function spawn_oil_buildings(entities, p)
     entities[#entities + 1] = {
         name = oil_list[1].name,
         position = p,
-        force = 'player',
+        force = 'neutral',
         callback = oil_list[1].callback,
         collision = true,
         e_type = types
@@ -458,7 +458,7 @@ local function spawn_oil_prod_buildings(entities, p)
     entities[#entities + 1] = {
         name = oil_prod_list[1].name,
         position = p,
-        force = 'player',
+        force = 'neutral',
         callback = oil_prod_list[1].callback,
         collision = true,
         e_type = types
@@ -469,7 +469,7 @@ local function spawn_resource_building(entities, p, probability)
     entities[#entities + 1] = {
         name = resource_list[probability].name,
         position = p,
-        force = 'player',
+        force = 'neutral',
         callback = resource_list[probability].callback,
         collision = true,
         e_type = types
@@ -480,7 +480,7 @@ local function spawn_furnace_building(entities, p, probability)
     entities[#entities + 1] = {
         name = furnace_list[probability].name,
         position = p,
-        force = 'player',
+        force = 'neutral',
         callback = furnace_list[probability].callback,
         collision = true,
         e_type = types
diff --git a/maps/mountain_fortress_v3/terrain.lua b/maps/mountain_fortress_v3/terrain.lua
index 8a99eb68..f6342ec2 100644
--- a/maps/mountain_fortress_v3/terrain.lua
+++ b/maps/mountain_fortress_v3/terrain.lua
@@ -15,7 +15,13 @@ Public.level_depth = 704
 Public.level_width = 512
 local worm_level_modifier = 0.19
 
-local wagon_raffle = {'cargo-wagon', 'cargo-wagon', 'cargo-wagon', 'locomotive', 'fluid-wagon'}
+local wagon_raffle = {
+    'cargo-wagon',
+    'cargo-wagon',
+    'cargo-wagon',
+    'locomotive',
+    'fluid-wagon'
+}
 local rock_raffle = {
     'sand-rock-big',
     'sand-rock-big',
@@ -32,10 +38,19 @@ local rock_raffle = {
 
 local size_of_rock_raffle = #rock_raffle
 
-local tree_raffle = {'tree-01', 'tree-02-red', 'tree-04', 'tree-08-brown'}
+local tree_raffle = {
+    'dry-tree',
+    'tree-01',
+    'tree-02-red',
+    'tree-04',
+    'tree-08-brown'
+}
 local size_of_tree_raffle = #tree_raffle
 
-local spawner = {'biter-spawner', 'spitter-spawner'}
+local spawner = {
+    'biter-spawner',
+    'spitter-spawner'
+}
 local size_of_spawner = #spawner
 
 local scrap_entities = {
@@ -62,8 +77,21 @@ local scrap_entities = {
 
 local scrap_entities_index = #scrap_entities
 
-local spawner_raffle = {'biter-spawner', 'biter-spawner', 'biter-spawner', 'spitter-spawner'}
-local trees = {'tree-08-red', 'tree-02-red', 'tree-06-brown'}
+local spawner_raffle = {
+    'biter-spawner',
+    'biter-spawner',
+    'biter-spawner',
+    'spitter-spawner'
+}
+
+local trees = {
+    'tree-08-brown',
+    'tree-04',
+    'tree-03',
+    'tree-02-red',
+    'tree-01',
+    'dry-tree'
+}
 
 local firearm_magazine_ammo = Functions.firearm_magazine_ammo
 local piercing_rounds_magazine_ammo = Functions.piercing_rounds_magazine_ammo
@@ -407,6 +435,15 @@ local function process_level_14_position(x, y, data)
         return
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     if small_caves > -0.41 and small_caves < 0.41 then
         if noise_cave_ponds > 0.35 then
             local success = place_wagon(data)
@@ -467,6 +504,15 @@ local function process_level_13_position(x, y, data)
         return
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     if small_caves < -0.35 or small_caves > 0.35 then
         tiles[#tiles + 1] = {name = 'deepwater-green', position = p}
         if random(1, 128) == 1 then
@@ -546,6 +592,15 @@ local function process_level_12_position(x, y, data)
         return
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     if noise_1 < -0.72 then
         local success = place_wagon(data)
         if success then
@@ -595,7 +650,7 @@ local function process_level_12_position(x, y, data)
         }
     end
 
-    tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
+    tiles[#tiles + 1] = {name = 'tutorial-grid', position = p}
 end
 
 local function process_level_11_position(x, y, data)
@@ -632,6 +687,15 @@ local function process_level_11_position(x, y, data)
         return
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     if noise_1 > -0.30 and noise_1 < 0.30 then
         if noise_1 > -0.14 and noise_1 < 0.14 then
             tiles[#tiles + 1] = {name = 'dirt-7', position = p}
@@ -666,7 +730,32 @@ local function process_level_11_position(x, y, data)
         return
     end
 
-    tiles[#tiles + 1] = {name = 'tutorial-grid', position = p}
+    local noise_forest_location = get_noise('forest_location', p, seed)
+    if noise_forest_location > 0.095 then
+        if noise_forest_location > 0.6 then
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'red-refined-concrete', position = p}
+            end
+        else
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'green-refined-concrete', position = p}
+            end
+        end
+        return
+    end
+
+    if noise_forest_location < -0.095 then
+        if noise_forest_location < -0.6 then
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'blue-refined-concrete', position = p}
+            end
+        else
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'red-refined-concrete', position = p}
+            end
+        end
+        return
+    end
 end
 
 local function process_level_10_position(x, y, data)
@@ -693,6 +782,15 @@ local function process_level_10_position(x, y, data)
         return
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     --Resource Spots
     if smol_areas < -0.72 then
         if random(1, 8) == 1 then
@@ -723,13 +821,48 @@ local function process_level_10_position(x, y, data)
         tiles[#tiles + 1] = {name = 'water-shallow', position = p}
         return
     end
+    local noise_forest_location = get_noise('forest_location', p, seed)
     if scrapyard > -0.15 and scrapyard < 0.15 then
-        if random(1, 100) > 88 then
-            entities[#entities + 1] = {name = 'tree-0' .. random(1, 9), position = p}
-        else
-            if random(1, 2) == 1 then
-                entities[#entities + 1] = {name = rock_raffle[random(1, size_of_rock_raffle)], position = p}
+        if noise_forest_location > 0.095 then
+            if random(1, 256) == 1 then
+                Biters.wave_defense_set_worm_raffle(abs(p.y) * worm_level_modifier)
+                entities[#entities + 1] = {
+                    name = Biters.wave_defense_roll_worm_name(),
+                    position = p,
+                    force = 'enemy'
+                }
             end
+            if noise_forest_location > 0.6 then
+                if random(1, 100) > 42 then
+                    entities[#entities + 1] = {name = 'tree-03', position = p}
+                end
+            else
+                if random(1, 100) > 42 then
+                    entities[#entities + 1] = {name = 'tree-01', position = p}
+                end
+            end
+            return
+        end
+
+        if noise_forest_location < -0.095 then
+            if random(1, 256) == 1 then
+                Biters.wave_defense_set_worm_raffle(abs(p.y) * worm_level_modifier)
+                entities[#entities + 1] = {
+                    name = Biters.wave_defense_roll_worm_name(),
+                    position = p,
+                    force = 'enemy'
+                }
+            end
+            if noise_forest_location < -0.6 then
+                if random(1, 100) > 42 then
+                    entities[#entities + 1] = {name = 'dry-tree', position = p}
+                end
+            else
+                if random(1, 100) > 42 then
+                    entities[#entities + 1] = {name = 'tree-02-red', position = p}
+                end
+            end
+            return
         end
         tiles[#tiles + 1] = {name = 'dirt-6', position = p}
         return
@@ -783,6 +916,15 @@ local function process_level_9_position(x, y, data)
         return
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     --Resource Spots
     if smol_areas < -0.72 then
         if random(1, 8) == 1 then
@@ -820,16 +962,25 @@ local function process_level_8_position(x, y, data)
     local small_caves = get_noise('small_caves', p, seed)
     if noise_cave_ponds < 0.15 and noise_cave_ponds > -0.15 then
         if small_caves > 0.35 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
 
         if small_caves < -0.35 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     if scrapyard < -0.25 or scrapyard > 0.25 then
         if random(1, 256) == 1 then
             if random(1, 8) == 1 then
@@ -998,12 +1149,12 @@ local function process_level_7_position(x, y, data)
     local small_caves = get_noise('small_caves', p, seed)
     if noise_cave_ponds < 0.25 and noise_cave_ponds > -0.25 then
         if small_caves > 0.55 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
 
         if small_caves < -0.55 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
 
             return
         end
@@ -1043,12 +1194,12 @@ local function process_level_6_position(x, y, data)
     local small_caves = get_noise('small_caves', p, seed)
     if noise_cave_ponds < 0.45 and noise_cave_ponds > -0.45 then
         if small_caves > 0.45 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
 
         if small_caves < -0.45 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
     end
@@ -1061,13 +1212,22 @@ local function process_level_6_position(x, y, data)
         return
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     --Resource Spots
     if smol_areas < -0.72 then
         if random(1, 8) == 1 then
             Generate_resources(buildings, p, Public.level_depth)
         end
     end
-
+    local noise_forest_location = get_noise('forest_location', p, seed)
     if cave_rivers > -0.1 and cave_rivers < 0.1 then
         local success = place_wagon(data)
         if success then
@@ -1086,7 +1246,47 @@ local function process_level_6_position(x, y, data)
     else
         tiles[#tiles + 1] = {name = 'dirt-7', position = p}
         if random(1, 100) > 15 then
-            entities[#entities + 1] = {name = rock_raffle[random(1, size_of_rock_raffle)], position = p}
+            if noise_forest_location > 0.095 then
+                if random(1, 256) == 1 then
+                    Biters.wave_defense_set_worm_raffle(abs(p.y) * worm_level_modifier)
+                    entities[#entities + 1] = {
+                        name = Biters.wave_defense_roll_worm_name(),
+                        position = p,
+                        force = 'enemy'
+                    }
+                end
+                if noise_forest_location > 0.6 then
+                    if random(1, 100) > 42 then
+                        entities[#entities + 1] = {name = 'tree-08-brown', position = p}
+                    end
+                else
+                    if random(1, 100) > 42 then
+                        entities[#entities + 1] = {name = 'tree-01', position = p}
+                    end
+                end
+                return
+            end
+
+            if noise_forest_location < -0.095 then
+                if random(1, 256) == 1 then
+                    Biters.wave_defense_set_worm_raffle(abs(p.y) * worm_level_modifier)
+                    entities[#entities + 1] = {
+                        name = Biters.wave_defense_roll_worm_name(),
+                        position = p,
+                        force = 'enemy'
+                    }
+                end
+                if noise_forest_location < -0.6 then
+                    if random(1, 100) > 42 then
+                        entities[#entities + 1] = {name = 'tree-04', position = p}
+                    end
+                else
+                    if random(1, 100) > 42 then
+                        entities[#entities + 1] = {name = 'tree-02-red', position = p}
+                    end
+                end
+                return
+            end
         end
         if random(1, 512) == 1 then
             treasure[#treasure + 1] = {position = p, chest = 'wooden-chest'}
@@ -1145,6 +1345,15 @@ local function process_level_5_position(x, y, data)
         end
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     if small_caves > -0.40 and small_caves < 0.40 then
         if noise_cave_ponds > 0.35 then
             local success = place_wagon(data)
@@ -1171,7 +1380,7 @@ local function process_level_5_position(x, y, data)
         end
     end
 
-    tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+    tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
 end
 
 local function process_level_4_position(x, y, data)
@@ -1235,12 +1444,12 @@ local function process_level_4_position(x, y, data)
     --Chasms
     if noise_cave_ponds < 0.15 and noise_cave_ponds > -0.15 then
         if small_caves > 0.75 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
 
         if small_caves < -0.75 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
     end
@@ -1284,7 +1493,7 @@ local function process_level_4_position(x, y, data)
         return
     end
 
-    tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+    tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
 end
 
 local function process_level_3_position(x, y, data)
@@ -1326,6 +1535,15 @@ local function process_level_3_position(x, y, data)
         return
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     if noise_large_caves > -0.15 and noise_large_caves < 0.15 or small_caves_2 > 0 then
         --Green Water Ponds
         if noise_cave_ponds > 0.80 then
@@ -1339,13 +1557,13 @@ local function process_level_3_position(x, y, data)
         --Chasms
         if noise_cave_ponds < 0.12 and noise_cave_ponds > -0.12 then
             if small_caves > 0.85 then
-                tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+                tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
 
                 return
             end
 
             if small_caves < -0.85 then
-                tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+                tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
 
                 return
             end
@@ -1431,7 +1649,7 @@ local function process_level_3_position(x, y, data)
         return
     end
 
-    tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+    tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
 end
 
 local function process_level_2_position(x, y, data)
@@ -1460,12 +1678,12 @@ local function process_level_2_position(x, y, data)
         --Chasms
         if noise_cave_ponds < 0.15 and noise_cave_ponds > -0.15 then
             if small_caves > 0.32 then
-                tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+                tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
 
                 return
             end
             if small_caves < -0.32 then
-                tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+                tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
                 return
             end
         end
@@ -1496,6 +1714,15 @@ local function process_level_2_position(x, y, data)
             return
         end
 
+        if random(1, 2048) == 1 then
+            entities[#entities + 1] = {
+                name = spawner[random(1, size_of_spawner)],
+                position = p,
+                force = 'protectors'
+            }
+            return
+        end
+
         --Market Spots
         if noise_cave_ponds < -0.80 then
             tiles[#tiles + 1] = {name = 'grass-' .. floor(noise_cave_ponds * 32) % 3 + 1, position = p}
@@ -1561,7 +1788,7 @@ local function process_level_2_position(x, y, data)
         return
     end
 
-    tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+    tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
 end
 
 local function process_level_1_2_position(x, y, data)
@@ -1587,11 +1814,11 @@ local function process_level_1_2_position(x, y, data)
     --Chasms
     if noise_cave_ponds < 0.101 and noise_cave_ponds > -0.102 then
         if small_caves > 0.52 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
         if small_caves < -0.52 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
     end
@@ -1617,12 +1844,13 @@ local function process_level_1_2_position(x, y, data)
         end
     end
 
-    if random(1, 512) == 1 then
+    if random(1, 2048) == 1 then
         entities[#entities + 1] = {
             name = spawner[random(1, size_of_spawner)],
             position = p,
-            force = 'enemy'
+            force = 'protectors'
         }
+        return
     end
 
     if noise_cave_ponds > 0.74 then
@@ -1701,7 +1929,7 @@ local function process_level_1_2_position(x, y, data)
     tiles[#tiles + 1] = {name = 'grass-' .. floor(noise_cave_ponds * 32) % 3 + 1, position = p}
     local noise_forest_location = get_noise('forest_location', p, seed)
     if noise_forest_location > 0.095 then
-        if random(1, 96) == 1 then
+        if random(1, 256) == 1 then
             Biters.wave_defense_set_worm_raffle(abs(p.y) * worm_level_modifier)
             entities[#entities + 1] = {
                 name = Biters.wave_defense_roll_worm_name(),
@@ -1722,14 +1950,13 @@ local function process_level_1_2_position(x, y, data)
     end
 
     if noise_forest_location < -0.095 then
-        if random(1, 96) == 1 then
+        if random(1, 256) == 1 then
             Biters.wave_defense_set_worm_raffle(abs(p.y) * worm_level_modifier)
             entities[#entities + 1] = {
                 name = Biters.wave_defense_roll_worm_name(),
                 position = p,
                 force = 'enemy'
             }
-
         end
         if noise_forest_location < -0.6 then
             if random(1, 100) > 42 then
@@ -1767,11 +1994,11 @@ local function process_level_1_position(x, y, data)
     --Chasms
     if noise_cave_ponds < 0.111 and noise_cave_ponds > -0.112 then
         if small_caves > 0.53 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
         if small_caves < -0.53 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
     end
@@ -1785,6 +2012,15 @@ local function process_level_1_position(x, y, data)
         return
     end
 
+    if random(1, 2048) == 1 then
+        entities[#entities + 1] = {
+            name = spawner[random(1, size_of_spawner)],
+            position = p,
+            force = 'protectors'
+        }
+        return
+    end
+
     --Rivers
     local cave_rivers = get_noise('cave_rivers', p, seed + 300000)
     if cave_rivers < 0.042 and cave_rivers > -0.042 then
@@ -1870,7 +2106,30 @@ local function process_level_1_position(x, y, data)
     if random(1, 2048) == 1 then
         treasure[#treasure + 1] = {position = p, chest = 'iron-chest'}
     end
-    tiles[#tiles + 1] = {name = 'dirt-7', position = p}
+    local random_tiles = get_noise('forest_location', p, seed)
+    if random_tiles > 0.095 then
+        if random_tiles > 0.6 then
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'sand-1', position = p}
+            end
+        else
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'sand-2', position = p}
+            end
+        end
+    end
+
+    if random_tiles < -0.095 then
+        if random_tiles < -0.6 then
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'sand-1', position = p}
+            end
+        else
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'lab-dark-1', position = p}
+            end
+        end
+    end
     if random(1, 100) > 25 then
         entities[#entities + 1] = {name = rock_raffle[random(1, size_of_rock_raffle)], position = p}
     end
@@ -1899,11 +2158,11 @@ local function process_level_0_position(x, y, data)
     --Chasms
     if noise_cave_ponds < 0.101 and noise_cave_ponds > -0.102 then
         if small_caves > 0.52 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
         if small_caves < -0.52 then
-            tiles[#tiles + 1] = {name = 'out-of-map', position = p}
+            tiles[#tiles + 1] = {name = 'lab-dark-2', position = p}
             return
         end
     end
@@ -2002,9 +2261,32 @@ local function process_level_0_position(x, y, data)
     if random(1, 2048) == 1 then
         treasure[#treasure + 1] = {position = p, chest = 'iron-chest'}
     end
-    tiles[#tiles + 1] = {name = 'grass-' .. floor(noise_cave_ponds * 32) % 3 + 1, position = p}
+    local random_tiles = get_noise('forest_location', p, seed)
+    if random_tiles > 0.095 then
+        if random_tiles > 0.6 then
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'red-desert-0', position = p}
+            end
+        else
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'red-desert-1', position = p}
+            end
+        end
+    end
+
+    if random_tiles < -0.095 then
+        if random_tiles < -0.6 then
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'red-desert-2', position = p}
+            end
+        else
+            if random(1, 100) > 42 then
+                tiles[#tiles + 1] = {name = 'red-desert-3', position = p}
+            end
+        end
+    end
     if random(1, 100) > 25 then
-        if random(1, 20) == 2 then
+        if random(1, 10) == 1 then
             entities[#entities + 1] = {name = tree_raffle[random(1, size_of_tree_raffle)], position = p}
         else
             entities[#entities + 1] = {name = rock_raffle[random(1, size_of_rock_raffle)], position = p}
@@ -2018,6 +2300,8 @@ Public.levels = {
     process_level_1_position,
     process_level_3_position,
     process_level_5_position,
+    process_level_8_position,
+    process_level_9_position,
     process_level_4_position,
     process_level_6_position,
     process_level_2_position,
@@ -2045,7 +2329,7 @@ end
 local function process_bits(x, y, data)
     local levels = Public.levels
     local left_top_y = data.area.left_top.y
-    local index = floor((abs(left_top_y / Public.level_depth)) % 20) + 1
+    local index = floor((abs(left_top_y / Public.level_depth)) % 22) + 1
     local process_level = levels[index]
     if not process_level then
         process_level = levels[#levels]
diff --git a/modules/check_fullness.lua b/modules/check_fullness.lua
new file mode 100644
index 00000000..21154daa
--- /dev/null
+++ b/modules/check_fullness.lua
@@ -0,0 +1,81 @@
+local Global = require 'utils.global'
+local Event = require 'utils.event'
+
+local this = {
+    fullness_enabled = true
+}
+
+Global.register(
+    this,
+    function(t)
+        this = t
+    end
+)
+
+local Public = {}
+local random = math.random
+
+local function compute_fullness(player)
+    local free_slots = player.get_main_inventory().count_empty_stacks()
+    if free_slots == 0 then
+        if player.character then
+            player.character.health = player.character.health - random(50, 100)
+            player.character.surface.create_entity({name = 'water-splash', position = player.position})
+            local messages = {
+                'Ouch.. That hurt! Better be careful now.',
+                'Just a fleshwound.',
+                'Better keep those hands to yourself or you might loose them.'
+            }
+            player.print(messages[random(1, #messages)], {r = 0.75, g = 0.0, b = 0.0})
+            if player.character.health <= 0 then
+                player.character.die('enemy')
+                game.print(player.name .. ' should have emptied their pockets.', {r = 0.75, g = 0.0, b = 0.0})
+                return free_slots
+            end
+        end
+    end
+    return free_slots
+end
+
+function Public.check_fullness(player)
+    if this.fullness_enabled then
+        local fullness = compute_fullness(player)
+        if fullness == 0 then
+            return
+        end
+    end
+end
+
+function Public.enable_fullness(value)
+    if value then
+        this.fullness_enabled = value
+    else
+        this.fullness_enabled = false
+    end
+    return this.fullness_enabled
+end
+
+local check_fullness = Public.check_fullness
+
+Event.add(
+    defines.events.on_player_mined_entity,
+    function(event)
+        local entity = event.entity
+        if not entity or not entity.valid then
+            return
+        end
+
+        local player = game.players[event.player_index]
+        if not player or not player.valid then
+            return
+        end
+
+        if not this.fullness_enabled then
+            return
+        end
+
+        check_fullness(player)
+    end
+)
+
+return Public
diff --git a/modules/rpg/gui.lua b/modules/rpg/gui.lua
index 18c40fba..acde8c91 100644
--- a/modules/rpg/gui.lua
+++ b/modules/rpg/gui.lua
@@ -24,6 +24,8 @@ local settings_frame_name = RPG.settings_frame_name
 local discard_button_name = RPG.discard_button_name
 local save_button_name = RPG.save_button_name
 
+local sub = string.sub
+
 function Public.draw_gui_char_button(player)
     if player.gui.top[draw_main_frame_name] then
         return
@@ -556,9 +558,10 @@ Gui.on_click(
     draw_main_frame_name,
     function(event)
         local player = event.player
-        if not player.character then
+        if not player or not player.valid or not player.character then
             return
         end
+
         toggle(player)
     end
 )
@@ -567,7 +570,7 @@ Gui.on_click(
     save_button_name,
     function(event)
         local player = event.player
-        if not player.character then
+        if not player or not player.valid or not player.character then
             return
         end
 
@@ -682,7 +685,7 @@ Gui.on_click(
         local player = event.player
         local screen = player.gui.screen
         local frame = screen[settings_frame_name]
-        if not player.character then
+        if not player or not player.valid or not player.character then
             return
         end
         if frame and frame.valid then
@@ -697,9 +700,15 @@ Gui.on_click(
         local player = event.player
         local screen = player.gui.screen
         local frame = screen[settings_frame_name]
-        if not player.character then
+        if not player or not player.valid or not player.character then
             return
         end
+
+        local surface_name = RPG.get('rpg_extra').surface_name
+        if sub(player.surface.name, 0, #surface_name) ~= surface_name then
+            return
+        end
+
         if frame and frame.valid then
             frame.destroy()
         else
diff --git a/modules/rpg/main.lua b/modules/rpg/main.lua
index 01aa01a6..a0007cfe 100644
--- a/modules/rpg/main.lua
+++ b/modules/rpg/main.lua
@@ -20,6 +20,8 @@ local nth_tick = RPG.nth_tick
 --RPG Frames
 local main_frame_name = RPG.main_frame_name
 
+local sub = string.sub
+
 local function on_gui_click(event)
     if not event.element then
         return
@@ -29,6 +31,14 @@ local function on_gui_click(event)
     end
     local element = event.element
     local player = game.players[event.player_index]
+    if not player or not player.valid then
+        return
+    end
+
+    local surface_name = RPG.get('rpg_extra').surface_name
+    if sub(player.surface.name, 0, #surface_name) ~= surface_name then
+        return
+    end
 
     if element.type ~= 'sprite-button' then
         return
@@ -469,6 +479,13 @@ local function on_entity_damaged(event)
         return
     end
 
+    local p = event.cause.player
+
+    local surface_name = RPG.get('rpg_extra').surface_name
+    if sub(p.surface.name, 0, #surface_name) ~= surface_name then
+        return
+    end
+
     Functions.reward_mana(event.cause.player, 2)
 
     --Grant the player life-on-hit.
@@ -577,9 +594,10 @@ local function on_player_repaired_entity(event)
 
     local player = game.players[event.player_index]
 
-    if not player.character then
+    if not player or not player.valid or not player.character then
         return
     end
+
     Functions.gain_xp(player, 0.05)
     Functions.reward_mana(player, 0.2)
 
@@ -592,9 +610,14 @@ end
 
 local function on_player_rotated_entity(event)
     local player = game.players[event.player_index]
+
+    if not player or not player.valid then
+        return
+    end
     if not player.character then
         return
     end
+
     local rpg_t = RPG.get('rpg_t')
     if rpg_t[player.index].rotated_entity_delay > game.tick then
         return
@@ -605,8 +628,7 @@ end
 
 local function on_player_changed_position(event)
     local player = game.players[event.player_index]
-    local surface_name = RPG.get('rpg_extra').surface_name
-    if string.sub(player.surface.name, 0, #surface_name) ~= surface_name then
+    if not player or not player.valid then
         return
     end
 
@@ -646,6 +668,16 @@ local function on_pre_player_mined_item(event)
         return
     end
     local player = game.players[event.player_index]
+
+    if not player or not player.valid then
+        return
+    end
+
+    local surface_name = RPG.get('rpg_extra').surface_name
+    if sub(player.surface.name, 0, #surface_name) ~= surface_name then
+        return
+    end
+
     local rpg_t = RPG.get('rpg_t')
     if
         rpg_t[player.index].last_mined_entity_position.x == event.entity.position.x and
@@ -682,7 +714,7 @@ local function on_player_crafted_item(event)
         return
     end
     local player = game.players[event.player_index]
-    if not player.valid then
+    if not player or not player.valid then
         return
     end
 
@@ -847,7 +879,7 @@ local function on_player_used_capsule(event)
         return
     end
 
-    if string.sub(player.surface.name, 0, #surface_name) ~= surface_name then
+    if sub(player.surface.name, 0, #surface_name) ~= surface_name then
         return
     end