diff --git a/comfy_panel/poll.lua b/comfy_panel/poll.lua
index ac459809..0e5afbbd 100644
--- a/comfy_panel/poll.lua
+++ b/comfy_panel/poll.lua
@@ -1015,6 +1015,10 @@ Gui.on_click(
     function(event)
         local player = event.player
         local data = Gui.get_data(event.element)
+        if not data or not data.valid then
+            return
+        end
+
         local frame = data.frame
         local poll = data.previous_data
 
diff --git a/control.lua b/control.lua
index e66122ee..a2986382 100644
--- a/control.lua
+++ b/control.lua
@@ -15,7 +15,6 @@ require 'utils.datastore.jail_data'
 require 'utils.datastore.quickbar_data'
 require 'utils.datastore.message_on_join_data'
 require 'utils.datastore.player_tag_data'
-require 'utils.profiler'
 require 'chatbot'
 require 'commands'
 require 'antigrief'
@@ -88,10 +87,10 @@ require 'modules.autostash'
 --require 'maps.biter_battles.biter_battles'
 
 --![[A map that imitating MF, defending rocket silos instead of trains]]--
--- require 'maps.amap.main'
+--require 'maps.amap.main'
 
 --![[Guide a Train through rough terrain, while defending it from the biters]]--
--- require 'maps.mountain_fortress_v3.main'
+--require 'maps.mountain_fortress_v3.main'
 --require 'maps.mountain_fortress_v2.main'
 --require 'maps.mountain_fortress'
 
@@ -236,6 +235,7 @@ require 'modules.autostash'
 
 if _DUMP_ENV then
     require 'utils.dump_env'
+    require 'utils.profiler'
 end
 
 local function on_player_created(event)
diff --git a/maps/mountain_fortress_v3/entities.lua b/maps/mountain_fortress_v3/entities.lua
index 9e7ff1c9..1bd248a3 100644
--- a/maps/mountain_fortress_v3/entities.lua
+++ b/maps/mountain_fortress_v3/entities.lua
@@ -18,7 +18,7 @@ local Alert = require 'utils.alert'
 local Task = require 'utils.task'
 local Score = require 'comfy_panel.score'
 local Token = require 'utils.token'
-local HS = require 'maps.mountain_fortress_v3.highscore'
+-- local HS = require 'maps.mountain_fortress_v3.highscore'
 local Discord = require 'utils.discord'
 local Core = require "utils.core"
 local Diff = require "modules.difficulty_vote_by_amount"
@@ -100,13 +100,13 @@ local reset_game =
         local this = data.this
         local Reset_map = data.reset_map
         if this.soft_reset then
-            HS.set_scores()
+            -- HS.set_scores()
             this.game_reset_tick = nil
             Reset_map()
             return
         end
         if this.restart then
-            HS.set_scores()
+            -- HS.set_scores()
             local message = ({'entity.reset_game'})
             Server.to_discord_bold(message, true)
             Server.start_scenario('Mountain_Fortress_v3')
@@ -114,7 +114,7 @@ local reset_game =
             return
         end
         if this.shutdown then
-            HS.set_scores()
+            -- HS.set_scores()
             local message = ({'entity.shutdown_game'})
             Server.to_discord_bold(message, true)
             Server.stop_scenario()
@@ -1210,17 +1210,20 @@ local function show_mvps(player)
             local tier = WPT.get("pickaxe_tier")
             local pick_tier = pickaxe_tiers[tier]
 
-            Server.to_discord_named_embed(send_ping_to_channel, '**Statistics!**\\n\\n'
-            .. 'Time played: '..time_played..'\\n'
-            .. 'Game Difficulty: '..diff.name..'\\n'
-            .. 'Highest wave: '..format_number(wave, true)..'\\n'
-            .. 'Total connected players: '..total_players..'\\n'
-            .. 'Threat: '..format_number(threat, true)..'\\n'
-            .. 'Pickaxe Upgrade: '..pick_tier..' (' ..tier.. ')\\n'
-            .. 'Collapse Speed: '..collapse_speed..'\\n'
-            .. 'Collapse Amount: '..collapse_amount..'\\n'
-            )
-            WPT.set('sent_to_discord', true)
+            local server_name = Server.check_server_name('Mtn Fortress')
+            if server_name then
+                Server.to_discord_named_embed(send_ping_to_channel, '**Statistics!**\\n\\n'
+                .. 'Time played: '..time_played..'\\n'
+                .. 'Game Difficulty: '..diff.name..'\\n'
+                .. 'Highest wave: '..format_number(wave, true)..'\\n'
+                .. 'Total connected players: '..total_players..'\\n'
+                .. 'Threat: '..format_number(threat, true)..'\\n'
+                .. 'Pickaxe Upgrade: '..pick_tier..' (' ..tier.. ')\\n'
+                .. 'Collapse Speed: '..collapse_speed..'\\n'
+                .. 'Collapse Amount: '..collapse_amount..'\\n'
+                )
+                WPT.set('sent_to_discord', true)
+            end
         end
     end
 end
diff --git a/maps/mountain_fortress_v3/ic/functions.lua b/maps/mountain_fortress_v3/ic/functions.lua
index d8ab92d6..30cb5873 100644
--- a/maps/mountain_fortress_v3/ic/functions.lua
+++ b/maps/mountain_fortress_v3/ic/functions.lua
@@ -13,6 +13,10 @@ local function validate_entity(entity)
         return false
     end
 
+    if type(entity) == 'boolean' then
+        return false
+    end
+
     return true
 end
 
@@ -896,6 +900,10 @@ function Public.use_door_with_entity(ic, player, door)
         return
     end
 
+    if not validate_entity(car.entity) then
+        return
+    end
+
     local owner = game.players[car.owner]
     local list = get_trusted_system(ic, owner)
     if owner and owner.valid and owner.index ~= player.index and player.connected then
diff --git a/maps/mountain_fortress_v3/ic/gui.lua b/maps/mountain_fortress_v3/ic/gui.lua
index 3a5419ff..7bde5ecd 100644
--- a/maps/mountain_fortress_v3/ic/gui.lua
+++ b/maps/mountain_fortress_v3/ic/gui.lua
@@ -94,6 +94,10 @@ local function transfer_player_table(player, new_player)
 end
 
 local function remove_main_frame(main_frame)
+    if not main_frame or not main_frame.valid then
+        return
+    end
+
     Gui.remove_data_recursively(main_frame)
     main_frame.destroy()
 end
diff --git a/maps/mountain_fortress_v3/locomotive.lua b/maps/mountain_fortress_v3/locomotive.lua
index 4f8bcd15..67721bbc 100644
--- a/maps/mountain_fortress_v3/locomotive.lua
+++ b/maps/mountain_fortress_v3/locomotive.lua
@@ -144,7 +144,17 @@ local set_loco_tiles =
             end
         end
 
-        MapFunctions.draw_noise_tile_circle(position, 'blue-refined-concrete', surface, 15)
+        if random(1, 6) == 1 then
+            MapFunctions.draw_noise_tile_circle(position, 'blue-refined-concrete', surface, 18)
+        elseif random(1, 5) == 1 then
+            MapFunctions.draw_noise_tile_circle(position, 'black-refined-concrete', surface, 18)
+        elseif random(1, 4) == 1 then
+            MapFunctions.draw_noise_tile_circle(position, 'cyan-refined-concrete', surface, 18)
+        elseif random(1, 3) == 1 then
+            MapFunctions.draw_noise_tile_circle(position, 'hazard-concrete-right', surface, 18)
+        else
+            MapFunctions.draw_noise_tile_circle(position, 'blue-refined-concrete', surface, 18)
+        end
 
         for i = 1, #cargo_boxes, 1 do
             if not p[i] then
diff --git a/maps/mountain_fortress_v3/main.lua b/maps/mountain_fortress_v3/main.lua
index 0261ad4c..918ba394 100644
--- a/maps/mountain_fortress_v3/main.lua
+++ b/maps/mountain_fortress_v3/main.lua
@@ -3,7 +3,7 @@ require 'modules.rpg.main'
 local Functions = require 'maps.mountain_fortress_v3.functions'
 local BuriedEnemies = require 'maps.mountain_fortress_v3.buried_enemies'
 
-local HS = require 'maps.mountain_fortress_v3.highscore'
+-- local HS = require 'maps.mountain_fortress_v3.highscore'
 local Discord = require 'utils.discord'
 local IC = require 'maps.mountain_fortress_v3.ic.table'
 local ICMinimap = require 'maps.mountain_fortress_v3.ic.minimap'
@@ -110,6 +110,16 @@ local is_position_near_tbl = function(position, tbl)
     return status
 end
 
+local announce_new_map =
+    Token.register(
+    function()
+        local server_name = Server.check_server_name('Mtn Fortress')
+        if server_name then
+            Server.to_discord_named_raw(send_ping_to_channel, role_to_mention .. ' ** Mtn Fortress was just reset! **')
+        end
+    end
+)
+
 function Public.reset_map()
     local Diff = Difficulty.get()
     local this = WPT.get()
@@ -253,7 +263,7 @@ function Public.reset_map()
     Task.start_queue()
     Task.set_queue_speed(16)
 
-    HS.get_scores()
+    -- HS.get_scores()
 
     if is_game_modded() then
         game.difficulty_settings.technology_price_multiplier = 0.5
@@ -264,7 +274,7 @@ function Public.reset_map()
     this.market_announce = game.tick + 1200
     this.game_lost = false
 
-    Server.to_discord_named_raw(send_ping_to_channel, role_to_mention .. ' ** Mtn Fortress was just reset! **')
+    Task.set_timeout_in_ticks(25, announce_new_map)
 end
 
 local is_locomotive_valid = function()
@@ -314,18 +324,18 @@ local has_the_game_ended = function()
                 game.print(({'main.reset_in', cause_msg, this.game_reset_tick / 60}), {r = 0.22, g = 0.88, b = 0.22})
             end
 
-            local diff_name = Difficulty.get('name')
+            -- local diff_name = Difficulty.get('name')
 
             if this.soft_reset and this.game_reset_tick == 0 then
                 this.game_reset_tick = nil
-                HS.set_scores(diff_name)
+                -- HS.set_scores(diff_name)
                 Public.reset_map()
                 return
             end
 
             if this.restart and this.game_reset_tick == 0 then
                 if not this.announced_message then
-                    HS.set_scores(diff_name)
+                    -- HS.set_scores(diff_name)
                     game.print(({'entity.notify_restart'}), {r = 0.22, g = 0.88, b = 0.22})
                     local message = 'Soft-reset is disabled! Server will restart from scenario to load new changes.'
                     Server.to_discord_bold(table.concat {'*** ', message, ' ***'})
@@ -336,7 +346,7 @@ local has_the_game_ended = function()
             end
             if this.shutdown and this.game_reset_tick == 0 then
                 if not this.announced_message then
-                    HS.set_scores(diff_name)
+                    -- HS.set_scores(diff_name)
                     game.print(({'entity.notify_shutdown'}), {r = 0.22, g = 0.88, b = 0.22})
                     local message = 'Soft-reset is disabled! Server will shutdown. Most likely because of updates.'
                     Server.to_discord_bold(table.concat {'*** ', message, ' ***'})
diff --git a/maps/mountain_fortress_v3/terrain.lua b/maps/mountain_fortress_v3/terrain.lua
index fe9fbc05..651a2a81 100644
--- a/maps/mountain_fortress_v3/terrain.lua
+++ b/maps/mountain_fortress_v3/terrain.lua
@@ -2350,6 +2350,7 @@ end
 local function border_chunk(data)
     local entities = data.entities
     local decoratives = data.decoratives
+    local tiles = data.tiles
 
     local x, y = Public.increment_value(data)
 
@@ -2358,6 +2359,13 @@ local function border_chunk(data)
     if random(1, ceil(pos.y + pos.y) + 64) == 1 then
         entities[#entities + 1] = {name = trees[random(1, #trees)], position = pos}
     end
+
+    if random(1, 10) == 1 then
+        tiles[#tiles + 1] = {name = 'red-desert-' .. random(1, 3), position = pos}
+    else
+        tiles[#tiles + 1] = {name = 'dirt-' .. math.random(1, 6), position = pos}
+    end
+
     local scrap_mineable_entities, scrap_mineable_entities_index = get_scrap_mineable_entities()
 
     if not is_out_of_map(pos) then
diff --git a/maps/planet_prison.lua b/maps/planet_prison.lua
index 2838bf0f..d4b02b5f 100644
--- a/maps/planet_prison.lua
+++ b/maps/planet_prison.lua
@@ -20,7 +20,7 @@ local Color = require 'utils.color_presets'
 local this = {
     remove_offline_players = {
         players = {},
-        time = 18000,
+        time = 216000, -- 1h
         enabled = true
     }
 }
@@ -1325,7 +1325,9 @@ local function mined_wreckage(e)
     end
 
     local cand = candidates[CommonFunctions.rand_range(1, count)]
-    e.buffer.insert(cand)
+    if e.buffer and cand then
+        e.buffer.insert(cand)
+    end
 end
 
 local function on_player_mined_entity(e)
@@ -1335,7 +1337,7 @@ local function on_player_mined_entity(e)
     end
 
     mined_wreckage(e)
-    ClaimsFunctions.on_player_mined_entity(ent)
+    -- ClaimsFunctions.on_player_mined_entity(ent)
 end
 
 local function on_player_died(e)
@@ -1578,7 +1580,7 @@ local function on_entity_died(e)
 
     hostile_death(e)
     character_death(e)
-    ClaimsFunctions.on_entity_died(e.entity)
+    -- ClaimsFunctions.on_entity_died(e.entity)
 
     if valid_ents[e.entity.name] then
         e.entity.destroy()
@@ -1617,7 +1619,7 @@ local function on_built_entity(e)
         return
     end
 
-    ClaimsFunctions.on_built_entity(ent)
+    -- ClaimsFunctions.on_built_entity(ent)
     merchant_exploit_check(ent)
 end
 
@@ -1786,17 +1788,4 @@ Event.add(defines.events.on_tick, on_tick)
 Event.add(defines.events.on_tick, on_tick_reset)
 Event.add(defines.events.on_rocket_launched, on_rocket_launched)
 
-setmetatable(
-    _G,
-    {
-        __newindex = function(_, n, v)
-            log('Desync warning: attempt to write to undeclared var ' .. n)
-            global[n] = v
-        end,
-        __index = function(_, n)
-            return global[n]
-        end
-    }
-)
-
 return Public
diff --git a/maps/planet_prison/mod/claims.lua b/maps/planet_prison/mod/claims.lua
index 26c4e89b..eaecdb1d 100644
--- a/maps/planet_prison/mod/claims.lua
+++ b/maps/planet_prison/mod/claims.lua
@@ -45,7 +45,9 @@ local function claim_new_claim(ent)
         this._claims_info[ent.force.name].collections = {}
     end
 
-    insert(this._claims_info[ent.force.name].collections, point)
+    if this._claims_info[ent.force.name].collections then
+        this._claims_info[ent.force.name].collections[#this._claims_info[ent.force.name].collections + 1] = point
+    end
 end
 
 local function claim_on_build_entity(ent)
@@ -53,6 +55,10 @@ local function claim_on_build_entity(ent)
     local force = ent.force.name
     local data = this._claims_info[force]
 
+    if not max_dist then
+        return
+    end
+
     if data == nil then
         claim_new_claim(ent)
         return
@@ -89,6 +95,10 @@ local function claim_on_build_entity(ent)
 end
 
 local function claims_in_markers(name)
+    if not this._claim_markers then
+        return false
+    end
+
     for _, marker in pairs(this._claim_markers) do
         if name == marker then
             return true
diff --git a/modules/show_inventory.lua b/modules/show_inventory.lua
index 23da9f17..6e70eaeb 100644
--- a/modules/show_inventory.lua
+++ b/modules/show_inventory.lua
@@ -351,7 +351,12 @@ local function update_gui()
         if valid then
             if success then
                 if target and target.valid then
-                    local main = target.get_main_inventory().get_contents()
+                    local main = target.get_main_inventory()
+                    if not main then
+                        return
+                    end
+
+                    main = main.get_contents()
                     local armor = target.get_inventory(defines.inventory.character_armor).get_contents()
                     local guns = target.get_inventory(defines.inventory.character_guns).get_contents()
                     local ammo = target.get_inventory(defines.inventory.character_ammo).get_contents()
diff --git a/utils/debug/command.lua b/utils/debug/command.lua
index 6f4ee00f..f481fad4 100644
--- a/utils/debug/command.lua
+++ b/utils/debug/command.lua
@@ -14,6 +14,10 @@ commands.add_command(
             return
         end
 
+        if (player.name ~= 'Gerkiz' and not _DEBUG) then
+            return
+        end
+
         DebugView.open_debug(player)
     end
 )
diff --git a/utils/debug/main_view.lua b/utils/debug/main_view.lua
index 99ce2ea4..1ba9f470 100644
--- a/utils/debug/main_view.lua
+++ b/utils/debug/main_view.lua
@@ -5,13 +5,16 @@ local Public = {}
 
 local pages = {
     require 'utils.debug.public_global_view',
-    require 'utils.debug.global_view',
-    require 'utils.debug.gui_data_view',
-    require 'utils.debug.package_view',
-    require 'utils.debug._g_view',
-    require 'utils.debug.event_view'
+    require 'utils.debug.global_view'
 }
 
+if _DEBUG then
+    pages[#pages + 1] = require 'utils.debug.gui_data_view'
+    pages[#pages + 1] = require 'utils.debug.package_view'
+    pages[#pages + 1] = require 'utils.debug._g_view'
+    pages[#pages + 1] = require 'utils.debug.event_view'
+end
+
 local main_frame_name = Gui.uid_name()
 local close_name = Gui.uid_name()
 local tab_name = Gui.uid_name()
diff --git a/utils/debug/package_view.lua b/utils/debug/package_view.lua
index 242186ca..329014e0 100644
--- a/utils/debug/package_view.lua
+++ b/utils/debug/package_view.lua
@@ -125,6 +125,10 @@ Gui.on_click(
 
         local top_panel = element.parent.parent
         local data = Gui.get_data(top_panel)
+        if not data or not data.valid then
+            return
+        end
+
         local text_box = data.text_box
 
         local variable_type = type(variable)
diff --git a/utils/debug/public_global_view.lua b/utils/debug/public_global_view.lua
index c2ea8bef..4c9970b9 100644
--- a/utils/debug/public_global_view.lua
+++ b/utils/debug/public_global_view.lua
@@ -123,6 +123,9 @@ Gui.on_click(
     function(event)
         local element = event.element
         local data = Gui.get_data(element)
+        if not data or not data.valid then
+            return
+        end
 
         local input_text_box = data.input_text_box
 
diff --git a/utils/global.lua b/utils/global.lua
index 04c005c4..6e05aa51 100644
--- a/utils/global.lua
+++ b/utils/global.lua
@@ -1,11 +1,12 @@
 local Event = require 'utils.event_core'
 local Token = require 'utils.token'
 
-local Global = {
-    names = {}
-}
+local Global = {}
 local concat = table.concat
 
+local names = {}
+Global.names = names
+
 function Global.register(tbl, callback)
     if _LIFECYCLE ~= _STAGE.control then
         error('can only be called during the control stage', 2)
@@ -14,7 +15,7 @@ function Global.register(tbl, callback)
     local filepath = debug.getinfo(2, 'S').source:match('^.+/currently%-playing/(.+)$'):sub(1, -5)
     local token = Token.register_global(tbl)
 
-    Global.names[token] = concat {token, ' - ', filepath}
+    names[token] = concat {token, ' - ', filepath}
 
     Event.on_load(
         function()
@@ -32,7 +33,7 @@ function Global.register_init(tbl, init_handler, callback)
     local filepath = debug.getinfo(2, 'S').source:match('^.+/currently%-playing/(.+)$'):sub(1, -5)
     local token = Token.register_global(tbl)
 
-    Global.names[token] = concat {token, ' - ', filepath}
+    names[token] = concat {token, ' - ', filepath}
 
     Event.on_init(
         function()
diff --git a/utils/gui.lua b/utils/gui.lua
index ef497e29..f5902038 100644
--- a/utils/gui.lua
+++ b/utils/gui.lua
@@ -5,16 +5,12 @@ local SpamProtection = require 'utils.spam_protection'
 
 local tostring = tostring
 local next = next
-local concat = table.concat
 
 local Gui = {}
 
 local data = {}
 local element_map = {}
 
-local names = {}
-Gui.names = names
-
 Gui.token =
     Global.register(
     {data = data, element_map = element_map},
@@ -28,16 +24,7 @@ local on_visible_handlers = {}
 local on_pre_hidden_handlers = {}
 
 function Gui.uid_name()
-    local info = debug.getinfo(2, 'Sl')
-    local filepath = info.source:match('^.+/currently%-playing/(.+)$'):sub(1, -5)
-    local line = info.currentline
-
-    local token = tostring(Token.uid())
-
-    local name = concat {token, ' - ', filepath, ':line:', line}
-    names[token] = name
-
-    return token
+    return tostring(Token.uid())
 end
 
 function Gui.uid()
@@ -54,9 +41,7 @@ function Gui.set_data(element, value)
             return
         end
 
-        local index = element.index
-        values[index] = nil
-        element_map[index] = nil
+        values[element.index] = nil
 
         if next(values) == nil then
             data[player_index] = nil
@@ -67,9 +52,7 @@ function Gui.set_data(element, value)
             data[player_index] = values
         end
 
-        local index = element.index
-        values[index] = value
-        element_map[index] = element
+        values[element.index] = value
     end
 end
 local set_data = Gui.set_data
@@ -266,11 +249,61 @@ Gui.on_player_show_top = custom_handler_factory(on_visible_handlers)
 -- Adds a player field to the event table.
 Gui.on_pre_player_hide_top = custom_handler_factory(on_pre_hidden_handlers)
 
-function Gui.data()
-    return data
+if _DEBUG then
+    local concat = table.concat
+
+    local names = {}
+    Gui.names = names
+
+    function Gui.uid_name()
+        local info = debug.getinfo(2, 'Sl')
+        local filepath = info.source:match('^.+/currently%-playing/(.+)$'):sub(1, -5)
+        local line = info.currentline
+
+        local token = tostring(Token.uid())
+
+        local name = concat {token, ' - ', filepath, ':line:', line}
+        names[token] = name
+
+        return token
+    end
+
+    function Gui.set_data(element, value)
+        local player_index = element.player_index
+        local values = data[player_index]
+
+        if value == nil then
+            if not values then
+                return
+            end
+
+            local index = element.index
+            values[index] = nil
+            element_map[index] = nil
+
+            if next(values) == nil then
+                data[player_index] = nil
+            end
+        else
+            if not values then
+                values = {}
+                data[player_index] = values
+            end
+
+            local index = element.index
+            values[index] = value
+            element_map[index] = element
+        end
+    end
+    set_data = Gui.set_data
+
+    function Gui.data()
+        return data
+    end
+
+    function Gui.element_map()
+        return element_map
+    end
 end
 
-function Gui.element_map()
-    return element_map
-end
 return Gui
diff --git a/utils/server.lua b/utils/server.lua
index da7a4666..15e803f4 100644
--- a/utils/server.lua
+++ b/utils/server.lua
@@ -741,6 +741,21 @@ function Public.get_server_name()
     return start_data.server_name or ''
 end
 
+--- Gets the server's name and matches it against a string.
+-- This is the current server's name, in the case the save has been loaded on multiple servers.
+-- @param string
+-- @return string
+function Public.check_server_name(string)
+    if start_data.server_name then
+        local server_name = start_data.server_name
+        local str = string.match(server_name, string)
+        if str then
+            return true
+        end
+    end
+    return false
+end
+
 --- Gets the server's start time as a unix epoch timestamp. nil if not known.
 -- @return number?
 function Public.get_start_time()