diff --git a/locale/en/mtn_fortress_v3.cfg b/locale/en/mtn_fortress_v3.cfg
index 2e70ffca..49b5ac38 100644
--- a/locale/en/mtn_fortress_v3.cfg
+++ b/locale/en/mtn_fortress_v3.cfg
@@ -12,6 +12,8 @@ first_to_reach=[color=blue]Mapkeeper:[/color]\n__1__ was the first to reach zone
 artillery_warning=[color=blue]Mapkeeper:[/color]\nWarning, Artillery have been spotted north!
 cheating_through=[color=blue]Mapkeeper:[/color] __1__ tried to cheat their way north with their spidertron!
 hinder=[color=blue]Mapkeeper:[/color] You are too far away from the main locomotive. You cannot go beyond this point.
+warning=Breaching the far side wall will start collapse.
+warning_teleport=[color=blue]Mapkeeper:[/color] __1__ wants to go north, but was given a last chance to rethink their choice. The next player that does this will trigger collapse!
 
 [entity]
 treasure_1=[color=blue]Mapkeeper:[/color] You notice an old crate within the rubble. It's filled with treasure!
diff --git a/maps/biter_hatchery/main.lua b/maps/biter_hatchery/main.lua
index 5732c1e4..1578b50f 100644
--- a/maps/biter_hatchery/main.lua
+++ b/maps/biter_hatchery/main.lua
@@ -1,12 +1,12 @@
 --luacheck: ignore
 require 'modules.no_turrets'
 require 'modules.no_acid_puddles'
-local Gui = require 'utils.gui'
+local CoreGui = require 'utils.gui'
+require 'maps.biter_hatchery.share_chat'
 local Map_score = require 'utils.gui.map_score'
 local unit_raffle = require 'maps.biter_hatchery.raffle_tables'
 local Terrain = require 'maps.biter_hatchery.terrain'
 local Gui = require 'maps.biter_hatchery.gui'
-require 'maps.biter_hatchery.share_chat'
 local Team = require 'maps.biter_hatchery.team'
 local Unit_health_booster = require 'modules.biter_health_booster'
 local Map = require 'modules.map_info'
@@ -95,7 +95,7 @@ local function spawn_units(belt, food_item, removed_item_count)
         end
     end
     if math_random(1, 8) == 1 then
-        spawn_worm_turret(belt.surface, belt.force.name, food_item)
+        spawn_worm_turret(belt.surface, belt.force.name)
     end
 end
 
@@ -117,7 +117,7 @@ local function feed_floaty_text(entity)
     entity.surface.create_entity({name = 'flying-text', position = entity.position, text = nom_msg[math_random(1, 4)], color = {math_random(50, 100), 0, 255}})
     local position = {x = entity.position.x - 0.75, y = entity.position.y - 1}
     local b = 1.35
-    for a = 1, math_random(0, 2), 1 do
+    for _ = 1, math_random(0, 2), 1 do
         local p = {(position.x + 0.4) + (b * -1 + math_random(0, b * 20) * 0.1), position.y + (b * -1 + math_random(0, b * 20) * 0.1)}
         entity.surface.create_entity({name = 'flying-text', position = p, text = '♥', color = {math_random(150, 255), 0, 255}})
     end
@@ -126,7 +126,7 @@ end
 local function eat_food_from_belt(belt)
     for i = 1, 2, 1 do
         local line = belt.get_transport_line(i)
-        for food_item, raffle in pairs(unit_raffle) do
+        for food_item, _ in pairs(unit_raffle) do
             if global.map_forces[belt.force.name].unit_count > global.map_forces[belt.force.name].max_unit_count then
                 return
             end
@@ -140,8 +140,7 @@ local function eat_food_from_belt(belt)
 end
 
 local function nom()
-    local surface = game.surfaces.nauvis
-    for key, force in pairs(global.map_forces) do
+    for _, force in pairs(global.map_forces) do
         if not force.hatchery then
             return
         end
@@ -310,7 +309,7 @@ local function on_entity_died(event)
         for _, child in pairs(player.gui.left.children) do
             child.destroy()
         end
-        Gui.call_existing_tab(player, 'Map Scores')
+        CoreGui.call_existing_tab(player, 'Map Scores')
     end
 
     for _, e in pairs(entity.surface.find_entities_filtered({type = 'unit'})) do
@@ -320,7 +319,6 @@ end
 
 local function on_player_joined_game(event)
     local player = game.players[event.player_index]
-    local surface = game.surfaces.nauvis
 
     Gui.unit_health_buttons(player)
     Gui.spectate_button(player)
diff --git a/maps/biter_hatchery/team.lua b/maps/biter_hatchery/team.lua
index 70c616e4..6754ad8a 100644
--- a/maps/biter_hatchery/team.lua
+++ b/maps/biter_hatchery/team.lua
@@ -119,8 +119,7 @@ function Public.spawn_players(hatchery)
     if game.tick % 90 ~= 0 then
         return
     end
-    game.print('spawning characters', {150, 150, 150})
-    local surface = game.surfaces.nauvis
+    -- game.print('spawning characters', {150, 150, 150})
     for _, player in pairs(game.connected_players) do
         if player.force.name ~= 'spectator' then
             Public.assign_force_to_player(player)
diff --git a/maps/biter_hatchery/terrain.lua b/maps/biter_hatchery/terrain.lua
index 74213ffd..a3875bab 100644
--- a/maps/biter_hatchery/terrain.lua
+++ b/maps/biter_hatchery/terrain.lua
@@ -10,7 +10,7 @@ local function get_replacement_tile(surface, position)
     for i = 1, 128, 1 do
         local vectors = {{0, i}, {0, i * -1}, {i, 0}, {i * -1, 0}}
         table.shuffle_table(vectors)
-        for k, v in pairs(vectors) do
+        for _, v in pairs(vectors) do
             local tile = surface.get_tile(position.x + v[1], position.y + v[2])
             if not tile.collides_with('resource-layer') then
                 return tile.name
@@ -58,6 +58,7 @@ end
 function Public.reset_nauvis(hatchery)
     local surface = game.surfaces.nauvis
     local mgs = surface.map_gen_settings
+    ---@diagnostic disable-next-line: assign-type-mismatch
     mgs.seed = math_random(1, 99999999)
     mgs.water = 1
     mgs.starting_area = 1
@@ -70,6 +71,7 @@ function Public.reset_nauvis(hatchery)
         ['iron-ore'] = {frequency = 8, size = 0.7, richness = 1},
         ['uranium-ore'] = {frequency = 5, size = 0.5, richness = 0.5},
         ['crude-oil'] = {frequency = 5, size = 1, richness = 1},
+        ---@diagnostic disable-next-line: assign-type-mismatch
         ['trees'] = {frequency = math.random(4, 32) * 0.1, size = math.random(4, 16) * 0.1, richness = math.random(1, 10) * 0.1},
         ['enemy-base'] = {frequency = 0, size = 0, richness = 0}
     }
@@ -79,7 +81,7 @@ function Public.reset_nauvis(hatchery)
         surface.delete_chunk({chunk.x, chunk.y})
     end
     hatchery.gamestate = 'prepare_east'
-    game.print('preparing east', {150, 150, 150})
+    -- game.print('preparing east', {150, 150, 150})
     print(hatchery.gamestate)
 end
 
@@ -109,7 +111,7 @@ function Public.prepare_east(hatchery)
     end
     draw_spawn_ore(surface, {x = 240, y = 0})
     hatchery.gamestate = 'clear_west'
-    game.print('clearing west chunks', {150, 150, 150})
+    -- game.print('clearing west chunks', {150, 150, 150})
     print(hatchery.gamestate)
 end
 
@@ -125,7 +127,7 @@ function Public.clear_west(hatchery)
     end
     hatchery.mirror_queue = {}
     hatchery.gamestate = 'prepare_west'
-    game.print('preparing west chunks', {150, 150, 150})
+    -- game.print('preparing west chunks', {150, 150, 150})
     print(hatchery.gamestate)
 end
 
@@ -147,11 +149,14 @@ function Public.draw_team_nests(hatchery)
     if game.tick % 90 ~= 0 then
         return
     end
-    game.print('placing nests', {150, 150, 150})
+    -- game.print('placing nests', {150, 150, 150})
     local surface = game.surfaces.nauvis
     local x = hatchery_position.x
 
     local e = surface.create_entity({name = 'biter-spawner', position = {x * -1, 0}, force = 'west'})
+    if not e or not e.valid then
+        return
+    end
     for _, p in pairs({{x * -1 + 6, 0}, {x * -1 + 3, 6}, {x * -1 + 3, -5}}) do
         surface.create_entity({name = 'small-worm-turret', position = p, force = 'west'})
         surface.create_decoratives {check_collision = false, decoratives = {{name = 'enemy-decal', position = p, amount = 1}}}
@@ -162,6 +167,9 @@ function Public.draw_team_nests(hatchery)
     surface.create_decoratives {check_collision = false, decoratives = {{name = 'enemy-decal', position = e.position, amount = 3}}}
 
     local e = surface.create_entity({name = 'biter-spawner', position = {x, 0}, force = 'east'})
+    if not e or not e.valid then
+        return
+    end
     for _, p in pairs({{x - 6, 0}, {x - 3, 6}, {x - 3, -5}}) do
         surface.create_entity({name = 'small-worm-turret', position = p, force = 'east'})
         surface.create_decoratives {check_collision = false, decoratives = {{name = 'enemy-decal', position = p, amount = 1}}}
diff --git a/maps/mountain_fortress_v3/breached_wall.lua b/maps/mountain_fortress_v3/breached_wall.lua
index 0649b47b..f464e9e0 100644
--- a/maps/mountain_fortress_v3/breached_wall.lua
+++ b/maps/mountain_fortress_v3/breached_wall.lua
@@ -2,6 +2,7 @@ local Event = require 'utils.event'
 local Public = require 'maps.mountain_fortress_v3.table'
 local Collapse = require 'modules.collapse'
 local RPG = require 'modules.rpg.main'
+local WD = require 'modules.wave_defense.table'
 local Alert = require 'utils.alert'
 local Task = require 'utils.task'
 local Token = require 'utils.token'
@@ -25,15 +26,15 @@ local clear_breach_text_and_render = function()
     end
     local zone1_text1 = Public.get('zone1_text1')
     if zone1_text1 then
-        rendering.set_text(zone1_text1, 'Collapse has started!')
+        rendering.set_text(zone1_text1, 'Collapse has begun!')
     end
     local zone1_text2 = Public.get('zone1_text2')
     if zone1_text2 then
-        rendering.set_text(zone1_text2, 'Collapse has started!')
+        rendering.set_text(zone1_text2, 'Collapse has begun!')
     end
     local zone1_text3 = Public.get('zone1_text3')
     if zone1_text3 then
-        rendering.set_text(zone1_text3, 'Collapse has started!')
+        rendering.set_text(zone1_text3, 'Collapse has begun!')
     end
 end
 
@@ -84,6 +85,27 @@ local artillery_warning =
     end
 )
 
+local breach_wall_warning_teleport = function(player)
+    if not player or not player.valid then
+        return
+    end
+
+    local wave_number = WD.get('wave_number')
+    if wave_number > 200 then
+        return
+    end
+
+    local message = ({'breached_wall.warning_teleport', player.name})
+    Alert.alert_all_players(40, message)
+    local pos = player.surface.find_non_colliding_position('character', player.force.get_spawn_position(player.surface), 3, 0)
+    if pos then
+        player.teleport(pos, player.surface)
+    else
+        pos = game.forces.player.get_spawn_position(player.surface)
+        player.teleport(pos, player.surface)
+    end
+end
+
 local spidertron_too_far =
     Token.register(
     function(data)
@@ -232,11 +254,18 @@ local function distance(player)
         return
     end
 
+    local breach_wall_warning = Public.get('breach_wall_warning')
+
     local max = zone_settings.zone_depth * bonus
     local breach_max = zone_settings.zone_depth * breached_wall
     local breach_max_times = location >= breach_max
     local max_times = location >= max
     if max_times then
+        if not breach_wall_warning then
+            Public.set('breach_wall_warning', true)
+            breach_wall_warning_teleport(player)
+            return
+        end
         if breach_max_times then
             local placed_trains_in_zone = Public.get('placed_trains_in_zone')
             local biters = Public.get('biters')
diff --git a/maps/mountain_fortress_v3/gui.lua b/maps/mountain_fortress_v3/gui.lua
index 175c9343..9320a382 100644
--- a/maps/mountain_fortress_v3/gui.lua
+++ b/maps/mountain_fortress_v3/gui.lua
@@ -158,7 +158,7 @@ end
 
 local function hide_all_gui(player)
     for _, child in pairs(player.gui.top.children) do
-        if child.name ~= spectate_button_name and child.name ~= 'minimap_button' then
+        if child.name ~= spectate_button_name and child.name ~= 'minimap_button' and child.name ~= 'wave_defense' then
             child.visible = false
         end
     end
diff --git a/maps/mountain_fortress_v3/table.lua b/maps/mountain_fortress_v3/table.lua
index 836294a7..55e0547f 100644
--- a/maps/mountain_fortress_v3/table.lua
+++ b/maps/mountain_fortress_v3/table.lua
@@ -96,6 +96,7 @@ function Public.reset_main_table()
     this.announced_message = false
     this.game_saved = false
     -- @end
+    this.breach_wall_warning = false
     this.icw_locomotive = nil
     this.game_lost = false
     this.death_mode = false
diff --git a/maps/mountain_fortress_v3/terrain.lua b/maps/mountain_fortress_v3/terrain.lua
index c4c524c2..6e295fc7 100644
--- a/maps/mountain_fortress_v3/terrain.lua
+++ b/maps/mountain_fortress_v3/terrain.lua
@@ -355,11 +355,11 @@ local function wall(p, data)
                             Public.set(
                                 'zone1_text1',
                                 rendering.draw_text {
-                                    text = 'Breaching the far side wall will start collapse.',
+                                    text = ({'breached_wall.warning'}),
                                     surface = surface,
                                     target = {0, p.y + 35},
-                                    color = {r = 0.98, g = 0.66, b = 0.22},
-                                    scale = 8,
+                                    color = {r = 255, g = 106, b = 0},
+                                    scale = 10,
                                     font = 'heading-1',
                                     alignment = 'center',
                                     scale_with_zoom = false
@@ -368,11 +368,11 @@ local function wall(p, data)
                             Public.set(
                                 'zone1_text2',
                                 rendering.draw_text {
-                                    text = 'Breaching the far side wall will start collapse',
+                                    text = ({'breached_wall.warning'}),
                                     surface = surface,
                                     target = {-180, p.y + 35},
-                                    color = {r = 0.98, g = 0.66, b = 0.22},
-                                    scale = 8,
+                                    color = {r = 255, g = 106, b = 0},
+                                    scale = 10,
                                     font = 'heading-1',
                                     alignment = 'center',
                                     scale_with_zoom = false
@@ -381,11 +381,11 @@ local function wall(p, data)
                             Public.set(
                                 'zone1_text3',
                                 rendering.draw_text {
-                                    text = 'Breaching the far side wall will start collapse',
+                                    text = ({'breached_wall.warning'}),
                                     surface = surface,
                                     target = {180, p.y + 35},
-                                    color = {r = 0.98, g = 0.66, b = 0.22},
-                                    scale = 8,
+                                    color = {r = 255, g = 106, b = 0},
+                                    scale = 10,
                                     font = 'heading-1',
                                     alignment = 'center',
                                     scale_with_zoom = false