diff --git a/control.lua b/control.lua
index 0c718d84..695c8fbc 100644
--- a/control.lua
+++ b/control.lua
@@ -143,8 +143,8 @@ require 'modules.autostash'
 --require 'maps.railway_troopers.main'
 
 --![[You fell in a dark cave, will you survive?]]--
+--require 'maps.cave_choppy.main'
 --require 'maps.cave_miner'
---require 'maps.cave_choppy.cave_miner'
 --require 'maps.cave_miner_v2.main'
 
 --![[Hungry boxes eat your items, but reward you with new territory to build.]]--
diff --git a/maps/cave_choppy/choppy.lua b/maps/cave_choppy/forest_world.lua
similarity index 99%
rename from maps/cave_choppy/choppy.lua
rename to maps/cave_choppy/forest_world.lua
index 4eb5e096..c4506719 100644
--- a/maps/cave_choppy/choppy.lua
+++ b/maps/cave_choppy/forest_world.lua
@@ -1,18 +1,16 @@
 --luacheck: ignore
---choppy-- mewmew made this --
--- modified by gerkiz
+-- By gerkiz
 
 require 'modules.dynamic_landfill'
 require 'modules.satellite_score'
 require 'modules.spawners_contain_biters'
 require 'functions.create_entity_chain'
 require 'functions.create_tile_chain'
---require "maps.choppy_map_intro"
 
 local unearthing_worm = require 'functions.unearthing_worm'
 local unearthing_biters = require 'functions.unearthing_biters'
 local tick_tack_trap = require 'functions.tick_tack_trap'
-local Module = require 'modules.infinity_chest'
+local Module = require 'infinity_chest'
 local Simplex = require 'utils.simplex_noise'.d2
 local Event = require 'utils.event'
 local table_insert = table.insert
diff --git a/maps/cave_choppy/infinity_chest.lua b/maps/cave_choppy/infinity_chest.lua
new file mode 100644
index 00000000..7899bc52
--- /dev/null
+++ b/maps/cave_choppy/infinity_chest.lua
@@ -0,0 +1,265 @@
+local Public = {}
+
+local Event = require 'utils.event'
+local Token = require 'utils.token'
+local Gui = require 'utils.gui'
+local Task = require 'utils.task'
+local Global = require 'utils.global'
+
+local format = string.format
+
+local chests = {}
+local chests_next = {}
+
+Global.register(
+    {chests = chests, chests_next = chests_next},
+    function(tbl)
+        chests = tbl.chests
+        chests_next = tbl.chests_next
+    end
+)
+
+local chest_gui_frame_name = Gui.uid_name()
+local chest_content_table_name = Gui.uid_name()
+
+function Public.create_chest(surface, position, storage)
+    local entity = surface.create_entity {name = 'infinity-chest', position = position, force = 'neutral'}
+    chests[entity.unit_number] = {entity = entity, storage = storage}
+    return entity
+end
+
+local function built_entity(event)
+    local entity = event.created_entity
+    if not entity or not entity.valid or entity.name ~= 'infinity-chest' then
+        return
+    end
+
+    entity.active = false
+
+    chests[entity.unit_number] = {entity = entity, storage = {}}
+end
+
+local function get_stack_size(name)
+    local proto = game.item_prototypes[name]
+    if not proto then
+        log('item prototype ' .. name .. ' not found')
+        return 1
+    end
+
+    return proto.stack_size
+end
+
+local function do_item(name, count, inv, storage)
+    local size = get_stack_size(name)
+    local diff = count - size
+
+    if diff == 0 then
+        return
+    end
+
+    local new_amount = 0
+
+    if diff > 0 then
+        inv.remove({name = name, count = diff})
+        local prev = storage[name] or 0
+        new_amount = prev + diff
+    elseif diff < 0 then
+        local prev = storage[name]
+        if not prev then
+            return
+        end
+
+        diff = math.min(prev, -diff)
+        local inserted = inv.insert({name = name, count = diff})
+        new_amount = prev - inserted
+    end
+
+    if new_amount == 0 then
+        storage[name] = nil
+    else
+        storage[name] = new_amount
+    end
+end
+
+local function tick()
+    local chest_id, chest_data = next(chests, chests_next[1])
+
+    chests_next[1] = chest_id
+
+    if not chest_id then
+        return
+    end
+
+    local entity = chest_data.entity
+    if not entity or not entity.valid then
+        chests[chest_id] = nil
+    else
+        local storage = chest_data.storage
+        local inv = entity.get_inventory(1) --defines.inventory.chest
+        local contents = inv.get_contents()
+
+        for name, count in pairs(contents) do
+            do_item(name, count, inv, storage)
+        end
+
+        for name, _ in pairs(storage) do
+            if not contents[name] then
+                do_item(name, 0, inv, storage)
+            end
+        end
+    end
+end
+
+local function create_chest_gui_content(frame, player, chest)
+    local storage = chest.storage
+    local inv = chest.entity.get_inventory(1).get_contents()
+
+    local grid = frame[chest_content_table_name]
+
+    if grid then
+        grid.clear()
+    else
+        grid = frame.add {type = 'table', name = chest_content_table_name, column_count = 10, style = 'slot_table'}
+    end
+
+    for name, count in pairs(storage) do
+        local number = count + (inv[name] or 0)
+        grid.add {
+            type = 'sprite-button',
+            sprite = 'item/' .. name,
+            number = number,
+            tooltip = name,
+            --style = 'slot_button'
+            enabled = false
+        }
+    end
+
+    for name, count in pairs(inv) do
+        if not storage[name] then
+            grid.add {
+                type = 'sprite-button',
+                sprite = 'item/' .. name,
+                number = count,
+                tooltip = name,
+                --style = 'slot_button'
+                enabled = false
+            }
+        end
+    end
+
+    player.opened = frame
+end
+
+local chest_gui_content_callback
+chest_gui_content_callback =
+    Token.register(
+    function(data)
+        local player = data.player
+
+        if not player or not player.valid then
+            return
+        end
+
+        local opened = data.opened
+        if not opened or not opened.valid then
+            return
+        end
+
+        local entity = data.chest.entity
+        if not entity.valid then
+            player.opened = nil
+            opened.destroy()
+            return
+        end
+
+        if not player.connected then
+            player.opened = nil
+            opened.destroy()
+            return
+        end
+
+        create_chest_gui_content(opened, player, data.chest)
+
+        Task.set_timeout_in_ticks(60, chest_gui_content_callback, data)
+    end
+)
+
+local function gui_opened(event)
+    if not event.gui_type == defines.gui_type.entity then
+        return
+    end
+
+    local entity = event.entity
+    if not entity or not entity.valid or entity.name ~= 'infinity-chest' then
+        return
+    end
+
+    local chest = chests[entity.unit_number]
+
+    if not chest then
+        return
+    end
+
+    local player = game.get_player(event.player_index)
+    if not player or not player.valid then
+        return
+    end
+
+    local frame =
+        player.gui.center.add {
+        type = 'frame',
+        name = chest_gui_frame_name,
+        caption = 'Infinite Storage Chest',
+        direction = 'vertical'
+    }
+
+    local text =
+        frame.add {
+        type = 'label',
+        caption = format(
+            'This chest stores unlimited quantity of items (up to 48 different item types).\nThe chest is best used with an inserter to add / remove items.\nIf the chest is mined or destroyed the items are lost.'
+        )
+    }
+    text.style.single_line = false
+
+    local content_header = frame.add {type = 'label', caption = 'Content'}
+    content_header.style.font = 'default-listbox'
+
+    create_chest_gui_content(frame, player, chest)
+
+    Task.set_timeout_in_ticks(60, chest_gui_content_callback, {player = player, chest = chest, opened = frame})
+end
+
+Event.add(defines.events.on_built_entity, built_entity)
+Event.add(defines.events.on_robot_built_entity, built_entity)
+Event.add(defines.events.on_tick, tick)
+Event.add(defines.events.on_gui_opened, gui_opened)
+
+Event.add(
+    defines.events.on_player_died,
+    function(event)
+        local player = game.get_player(event.player_index or 0)
+
+        if not player or not player.valid then
+            return
+        end
+
+        local element = player.gui.center
+
+        if element and element.valid then
+            element = element[chest_gui_frame_name]
+            if element and element.valid then
+                element.destroy()
+            end
+        end
+    end
+)
+
+Gui.on_custom_close(
+    chest_gui_frame_name,
+    function(event)
+        event.element.destroy()
+    end
+)
+
+return Public
diff --git a/maps/cave_choppy/cave_miner.lua b/maps/cave_choppy/main.lua
similarity index 99%
rename from maps/cave_choppy/cave_miner.lua
rename to maps/cave_choppy/main.lua
index 4b4a64c7..26907963 100644
--- a/maps/cave_choppy/cave_miner.lua
+++ b/maps/cave_choppy/main.lua
@@ -1,22 +1,15 @@
 --luacheck: ignore
--- Cave Miner -- mewmew made this --
--- modified by Gerkiz --
+-- By Gerkiz
 
-require 'choppy'
+require 'forest_world'
 require 'player_elevator'
 require 'modules.rocks_broken_paint_tiles'
 require 'cave_miner_kaboomsticks'
---require "modules.satellite_score"
---require "modules.explosive_biters"
---require "modules.spawners_contain_biters"
---require "modules.teleporting_worms"
---require "modules.splice_double"
---require "modules.biters_double_damage"
 
 local enable_fishbank_terminal = true
 local simplex_noise = require 'utils.simplex_noise'.d2
 local Event = require 'utils.event'
-local Module = require 'modules.infinity_chest'
+local Module = require 'infinity_chest'
 local market_items = require 'cave_miner_market_items'
 local Map = require 'modules.map_info'
 
@@ -1914,6 +1907,14 @@ local function on_market_item_purchased(event)
     end
 end
 
+local function disable_tech()
+    game.forces.player.technologies['spidertron'].enabled = false
+    game.forces.player.technologies['spidertron'].researched = false
+    game.forces.player.technologies['optics'].researched = true
+    game.forces.player.technologies['artillery'].researched = false
+    game.forces.player.technologies['atomic-bomb'].enabled = false
+end
+
 local function on_init()
     local T = Map.Pop_info()
     T.main_caption = 'Cave Choppy'
@@ -1951,6 +1952,8 @@ local function on_init()
 	]])
     T.main_caption_color = {r = 150, g = 150, b = 0}
     T.sub_caption_color = {r = 0, g = 150, b = 0}
+
+    disable_tech()
 end
 
 Event.on_init(on_init)
diff --git a/maps/mountain_fortress_v3/icw/functions.lua b/maps/mountain_fortress_v3/icw/functions.lua
index 6f194a2a..34233730 100644
--- a/maps/mountain_fortress_v3/icw/functions.lua
+++ b/maps/mountain_fortress_v3/icw/functions.lua
@@ -13,11 +13,13 @@ local fallout_width = 64
 local fallout_debris = {}
 
 for x = fallout_width * -1 - 32, fallout_width + 32, 1 do
-    for y = fallout_width * -1 - 32, fallout_width + 32, 1 do
-        local position = {x = x, y = y}
-        local fallout = sqrt(position.x ^ 2 + position.y ^ 2)
-        if fallout > fallout_width then
-            fallout_debris[#fallout_debris + 1] = {position.x, position.y}
+    if x < -31 or x > 31 then
+        for y = fallout_width * -1 - 32, fallout_width + 32, 1 do
+            local position = {x = x, y = y}
+            local fallout = sqrt(position.x ^ 2 + position.y ^ 2)
+            if fallout > fallout_width then
+                fallout_debris[#fallout_debris + 1] = {position.x, position.y}
+            end
         end
     end
 end
@@ -32,7 +34,7 @@ local reconstruct_all_trains =
 )
 
 local function get_tile_name()
-    local main_tile_name = 'tutorial-grid'
+    local main_tile_name = 'black-refined-concrete'
     local modded = is_game_modded()
     if modded then
         if game.active_mods['Krastorio2'] then
@@ -200,6 +202,50 @@ local function input_filtered(wagon_inventory, chest, chest_inventory, free_slot
     end
 end
 
+local remove_lights_token =
+    Token.register(
+    function(data)
+        local id = data.id
+        if id then
+            rendering.destroy(id)
+        end
+    end
+)
+
+function Public.glimpse_of_lights(icw)
+    local surface = WPT.get('loco_surface')
+    if not surface or not surface.valid then
+        return
+    end
+
+    local hazardous_debris = icw.hazardous_debris
+    if not hazardous_debris then
+        return
+    end
+
+    local text = rendering.draw_text
+    local position = fallout_debris[random(1, size_of_debris)]
+
+    local p = {x = position[1], y = position[2]}
+    local get_tile = surface.get_tile(p)
+    if get_tile.valid and get_tile.name == 'out-of-map' then
+        local id =
+            text {
+            text = '★',
+            surface = surface,
+            target = position,
+            color = {r = 1, g = 1, b = 0},
+            orientation = random(0, 100) * 0.01,
+            scale = 0.4,
+            font = 'heading-1',
+            alignment = 'center',
+            scale_with_zoom = false
+        }
+
+        Task.set_timeout_in_ticks(300, remove_lights_token, {id = id})
+    end
+end
+
 function Public.hazardous_debris(icw)
     local speed = icw.speed
     local surface = WPT.get('loco_surface')
@@ -214,15 +260,6 @@ function Public.hazardous_debris(icw)
 
     local create = surface.create_entity
 
-    for _ = 1, 16 * speed, 1 do
-        local position = fallout_debris[random(1, size_of_debris)]
-        local p = {x = position[1], y = position[2]}
-        local get_tile = surface.get_tile(p)
-        if get_tile.valid and get_tile.name == 'out-of-map' then
-            create({name = 'blue-laser', position = position, force = 'neutral', target = {position[1], position[2] + fallout_width * 2}, speed = speed})
-        end
-    end
-
     for _ = 1, 16 * speed, 1 do
         local position = fallout_debris[random(1, size_of_debris)]
         local p = {x = position[1], y = position[2]}
diff --git a/maps/mountain_fortress_v3/icw/main.lua b/maps/mountain_fortress_v3/icw/main.lua
index 211cd12d..0e93b157 100644
--- a/maps/mountain_fortress_v3/icw/main.lua
+++ b/maps/mountain_fortress_v3/icw/main.lua
@@ -97,6 +97,7 @@ local function on_tick()
     if tick % 10 == 0 then
         Functions.item_transfer(icw)
         Functions.hazardous_debris(icw)
+        Functions.glimpse_of_lights(icw)
     end
     if tick % 240 == 0 then
         Functions.update_minimap(icw)
diff --git a/maps/mountain_fortress_v3/locomotive.lua b/maps/mountain_fortress_v3/locomotive.lua
index 67721bbc..981502df 100644
--- a/maps/mountain_fortress_v3/locomotive.lua
+++ b/maps/mountain_fortress_v3/locomotive.lua
@@ -1084,7 +1084,7 @@ local function gui_click(event)
                 player.name .. ' has bought the locomotive health modifier for ' .. format_number(item.price, true) .. ' coins.'
             }
         )
-        this.locomotive_max_health = this.locomotive_max_health + 4000 * item.stack
+        this.locomotive_max_health = this.locomotive_max_health + (this.locomotive_max_health * 0.5 * item.stack)
         local m = this.locomotive_health / this.locomotive_max_health
 
         if this.carriages then
diff --git a/maps/mountain_fortress_v3/loot.lua b/maps/mountain_fortress_v3/loot.lua
index 23e6d8ac..dc415b0a 100644
--- a/maps/mountain_fortress_v3/loot.lua
+++ b/maps/mountain_fortress_v3/loot.lua
@@ -64,6 +64,10 @@ function Public.add(surface, position, chest)
         container.insert({name = 'coin', count = random(1, 128)})
     elseif random(1, 128) == 1 then
         container.insert({name = 'coin', count = random(1, 256)})
+    elseif random(1, 256) == 1 then
+        container.insert({name = 'coin', count = random(1, 512)})
+    elseif random(1, 512) == 1 then
+        container.insert({name = 'coin', count = random(1, 1024)})
     end
 
     for _ = 1, 3, 1 do
diff --git a/modules/rpg/functions.lua b/modules/rpg/functions.lua
index 50bbce26..9c03c7f5 100644
--- a/modules/rpg/functions.lua
+++ b/modules/rpg/functions.lua
@@ -734,6 +734,35 @@ function Public.global_pool(players, count)
     return
 end
 
+local damage_player_over_time_token =
+    Token.register(
+    function(data)
+        local player = data.player
+        local damage = data.damage
+        if not player.character or not player.character.valid then
+            return
+        end
+        player.character.health = player.character.health - damage
+        player.character.surface.create_entity({name = 'water-splash', position = player.position})
+    end
+)
+
+--- Damages a player over time.
+function Public.damage_player_over_time(player, amount, damage)
+    if not player or not player.valid then
+        return
+    end
+
+    amount = amount or 5
+    damage = damage or 10
+    local tick = 20
+    for _ = 1, amount, 1 do
+        Task.set_timeout_in_ticks(tick, damage_player_over_time_token, {player = player, damage = damage})
+        tick = tick + 15
+        damage = damage + 10
+    end
+end
+
 --- Distributes the global xp pool to every connected player.
 function Public.distribute_pool()
     local count = #game.connected_players
diff --git a/modules/rpg/main.lua b/modules/rpg/main.lua
index 6d6ad47e..a56528cd 100644
--- a/modules/rpg/main.lua
+++ b/modules/rpg/main.lua
@@ -1098,8 +1098,8 @@ local function on_player_used_capsule(event)
     elseif object.obj_to_create == 'warp-gate' then
         player.teleport(surface.find_non_colliding_position('character', game.forces.player.get_spawn_position(surface), 3, 0, 5), surface)
         rpg_t[player.index].mana = 0
-        player.character.health = 10
-        player.character.surface.create_entity({name = 'water-splash', position = player.position})
+        Functions.damage_player_over_time(player, 10)
+        player.play_sound {path = 'utility/armor_insert', volume_modifier = 1}
         p(({'rpg_main.warped_ok'}), Color.info)
         rpg_t[player.index].mana = rpg_t[player.index].mana - object.mana_cost
     elseif projectile_types[obj_name] then -- projectiles