diff --git a/vmf/scripts/mods/vmf/modules/core/commands.lua b/vmf/scripts/mods/vmf/modules/core/commands.lua
index bb6897d..a22b4c7 100644
--- a/vmf/scripts/mods/vmf/modules/core/commands.lua
+++ b/vmf/scripts/mods/vmf/modules/core/commands.lua
@@ -7,7 +7,7 @@ local vmf = get_mod("VMF")
 
   not sure about UI scaling
 ]]
-local _COMMANDS = {}
+local _commands = {}
 
 -- ####################################################################################################################
 -- ##### VMFMod #######################################################################################################
@@ -30,12 +30,12 @@ VMFMod.command = function (self, command_name, command_description, command_func
 
   command_name = command_name:lower()
 
-  if _COMMANDS[command_name] and _COMMANDS[command_name].mod ~= self then
-    self:error("(command): command name '%s' is already used by another mod '%s'", command_name, _COMMANDS[command_name].mod:get_name())
+  if _commands[command_name] and _commands[command_name].mod ~= self then
+    self:error("(command): command name '%s' is already used by another mod '%s'", command_name, _commands[command_name].mod:get_name())
     return
   end
 
-  _COMMANDS[command_name] = {
+  _commands[command_name] = {
     mod = self,
     exec_function = command_function,
     description = command_description,
@@ -50,7 +50,7 @@ VMFMod.command_remove = function (self, command_name)
     return
   end
 
-  _COMMANDS[command_name] = nil
+  _commands[command_name] = nil
 end
 
 
@@ -60,8 +60,8 @@ VMFMod.command_disable = function (self, command_name)
     return
   end
 
-  if _COMMANDS[command_name] then
-    _COMMANDS[command_name].is_enabled = false
+  if _commands[command_name] then
+    _commands[command_name].is_enabled = false
   end
 end
 
@@ -72,24 +72,24 @@ VMFMod.command_enable = function (self, command_name)
     return
   end
 
-  if _COMMANDS[command_name] then
-    _COMMANDS[command_name].is_enabled = true
+  if _commands[command_name] then
+    _commands[command_name].is_enabled = true
   end
 end
 
 
 VMFMod.remove_all_commands = function (self)
 
-  for command_name, command_entry in pairs(_COMMANDS) do
+  for command_name, command_entry in pairs(_commands) do
     if command_entry.mod == self then
-      _COMMANDS[command_name] = nil
+      _commands[command_name] = nil
     end
   end
 end
 
 
 VMFMod.disable_all_commands = function (self)
-  for _, command_entry in pairs(_COMMANDS) do
+  for _, command_entry in pairs(_commands) do
     if command_entry.mod == self then
       command_entry.is_enabled = false
     end
@@ -98,7 +98,7 @@ end
 
 
 VMFMod.enable_all_commands = function (self)
-  for _, command_entry in pairs(_COMMANDS) do
+  for _, command_entry in pairs(_commands) do
     if command_entry.mod == self then
       command_entry.is_enabled = true
     end
@@ -115,7 +115,7 @@ vmf.get_commands_list = function(name_contains, exact_match)
 
   local commands_list = {}
 
-  for command_name, command_entry in pairs(_COMMANDS) do
+  for command_name, command_entry in pairs(_commands) do
 
     if exact_match then
       if command_name == name_contains and command_entry.is_enabled then
@@ -137,7 +137,7 @@ end
 
 vmf.run_command = function(command_name, ...)
 
-  local command_entry = _COMMANDS[command_name]
+  local command_entry = _commands[command_name]
   if command_entry then
     local error_prefix = "(commands) " .. tostring(command_name)
     vmf.xpcall_no_return_values(command_entry.mod, error_prefix, command_entry.exec_function, ...)
diff --git a/vmf/scripts/mods/vmf/modules/core/keybindings.lua b/vmf/scripts/mods/vmf/modules/core/keybindings.lua
index 90959b2..d54600c 100644
--- a/vmf/scripts/mods/vmf/modules/core/keybindings.lua
+++ b/vmf/scripts/mods/vmf/modules/core/keybindings.lua
@@ -10,12 +10,12 @@ VMFModsKeyMap = {
 }
 
 -- ["mod_name"]["setting_name"] = {"action_name", {"primary_key", "special_key", "special_key", "special_key"}} (special_key - "ctrl"/"shift"/"alt")
-local _RAW_KEYBINDS = {}
+local _raw_keybinds = {}
 
 -- ["primary_key"] = {{"mod_name", "action_name", ctrl_used(bool), alt_used(bool), shift_used(bool)}, {}, {}, ...}
-local _OPTIMIZED_KEYBINDS = {}
+local _optimized_keybinds = {}
 
-local _ACTIVATED_PRESSED_KEY
+local _activated_pressed_key
 
 -- ####################################################################################################################
 -- ##### Local functions ##############################################################################################
@@ -23,9 +23,9 @@ local _ACTIVATED_PRESSED_KEY
 
 local function apply_keybinds()
 
-  _OPTIMIZED_KEYBINDS = {}
+  _optimized_keybinds = {}
 
-  for mod_name, mod_keybinds in pairs(_RAW_KEYBINDS) do
+  for mod_name, mod_keybinds in pairs(_raw_keybinds) do
     for _, keybind in pairs(mod_keybinds) do
       local action_name = keybind[1]
       local primary_key = keybind[2][1]
@@ -46,8 +46,8 @@ local function apply_keybinds()
         special_keys[special_key3] = true
       end
 
-      _OPTIMIZED_KEYBINDS[primary_key] = _OPTIMIZED_KEYBINDS[primary_key] or {}
-      table.insert(_OPTIMIZED_KEYBINDS[primary_key], {mod_name, action_name, special_keys["ctrl"], special_keys["alt"], special_keys["shift"]})
+      _optimized_keybinds[primary_key] = _optimized_keybinds[primary_key] or {}
+      table.insert(_optimized_keybinds[primary_key], {mod_name, action_name, special_keys["ctrl"], special_keys["alt"], special_keys["shift"]})
     end
   end
 end
@@ -65,14 +65,14 @@ VMFMod.keybind = function (self, setting_name, action_name, keys)
 
   if keys[1] then
 
-    local mod_keybinds = _RAW_KEYBINDS[self:get_name()] or {}
+    local mod_keybinds = _raw_keybinds[self:get_name()] or {}
 
     mod_keybinds[setting_name] = {action_name, keys}
 
-    _RAW_KEYBINDS[self:get_name()] = mod_keybinds
+    _raw_keybinds[self:get_name()] = mod_keybinds
   else
 
-    local mod_keybinds = _RAW_KEYBINDS[self:get_name()]
+    local mod_keybinds = _raw_keybinds[self:get_name()]
 
     if mod_keybinds and mod_keybinds[setting_name] then
       mod_keybinds[setting_name] = nil
@@ -104,17 +104,17 @@ vmf.check_pressed_keybinds = function()
   if input_service then
 
     -- don't check for the pressed keybindings until player will release already pressed keybind
-    if _ACTIVATED_PRESSED_KEY then
-      if input_service:get(_ACTIVATED_PRESSED_KEY) then
+    if _activated_pressed_key then
+      if input_service:get(_activated_pressed_key) then
         return
       else
-        _ACTIVATED_PRESSED_KEY = nil
+        _activated_pressed_key = nil
       end
     end
 
     local key_has_active_keybind = false
 
-    for key, key_bindings in pairs(_OPTIMIZED_KEYBINDS) do
+    for key, key_bindings in pairs(_optimized_keybinds) do
       if input_service:get(key) then
         for _, binding_info in ipairs(key_bindings) do
           if (not binding_info[3] and not input_service:get("ctrl") or binding_info[3] and input_service:get("ctrl")) and
@@ -128,7 +128,7 @@ vmf.check_pressed_keybinds = function()
               vmf.mod_state_changed(mod:get_name(), not mod:is_enabled())
 
               key_has_active_keybind = true
-              _ACTIVATED_PRESSED_KEY = key
+              _activated_pressed_key = key
 
             elseif mod:is_enabled() then
 
@@ -141,7 +141,7 @@ vmf.check_pressed_keybinds = function()
               end
 
               key_has_active_keybind = true
-              _ACTIVATED_PRESSED_KEY = key
+              _activated_pressed_key = key
             end
           end
         end
diff --git a/vmf/scripts/mods/vmf/modules/core/localization.lua b/vmf/scripts/mods/vmf/modules/core/localization.lua
index 5c6cd83..48890fa 100644
--- a/vmf/scripts/mods/vmf/modules/core/localization.lua
+++ b/vmf/scripts/mods/vmf/modules/core/localization.lua
@@ -11,8 +11,8 @@ Italian (it)
 Polish (pl)
 ]]
 
-local _LANGUAGE_ID = Application.user_setting("language_id")
-local _LOCALIZATION_DATABASE = {}
+local _language_id = Application.user_setting("language_id")
+local _localization_database = {}
 
 -- ####################################################################################################################
 -- ##### Local functions ##############################################################################################
@@ -36,7 +36,7 @@ end
 
 VMFMod.localize = function (self, text_id, ...)
 
-  local mod_localization_table = _LOCALIZATION_DATABASE[self:get_name()]
+  local mod_localization_table = _localization_database[self:get_name()]
   if mod_localization_table then
 
     local text_translations = mod_localization_table[text_id]
@@ -44,9 +44,9 @@ VMFMod.localize = function (self, text_id, ...)
 
       local message
 
-      if text_translations[_LANGUAGE_ID] then
+      if text_translations[_language_id] then
 
-        message = safe_string_format(self, text_translations[_LANGUAGE_ID], ...)
+        message = safe_string_format(self, text_translations[_language_id], ...)
         if message then
           return message
         end
@@ -78,11 +78,11 @@ vmf.load_mod_localization = function (mod, localization_table)
     return
   end
 
-  if _LOCALIZATION_DATABASE[mod:get_name()] then
+  if _localization_database[mod:get_name()] then
     mod:warning("(localization): overwritting already loaded localization file")
   end
 
-  _LOCALIZATION_DATABASE[mod:get_name()] = localization_table
+  _localization_database[mod:get_name()] = localization_table
 end
 
 -- ####################################################################################################################
diff --git a/vmf/scripts/mods/vmf/modules/core/mutators/mutators_info.lua b/vmf/scripts/mods/vmf/modules/core/mutators/mutators_info.lua
index 09013fd..b1943e6 100644
--- a/vmf/scripts/mods/vmf/modules/core/mutators/mutators_info.lua
+++ b/vmf/scripts/mods/vmf/modules/core/mutators/mutators_info.lua
@@ -3,7 +3,7 @@
 --]]
 local vmf = get_mod("VMF")
 
-local _WERE_ENABLED_BEFORE = false
+local _were_enabled_before = false
 
 -- ####################################################################################################################
 -- ##### Local functions ##############################################################################################
@@ -82,10 +82,10 @@ vmf:hook("MatchmakingStateHostGame.host_game", function(func, ...)
   local names = add_enabled_mutators_titles_to_string(", ")
   if names ~= "" then
     vmf:chat_broadcast(vmf:localize("broadcast_enabled_mutators") .. ": " .. names)
-    _WERE_ENABLED_BEFORE = true
-  elseif _WERE_ENABLED_BEFORE then
+    _were_enabled_before = true
+  elseif _were_enabled_before then
     vmf:chat_broadcast(vmf:localize("broadcast_all_disabled"))
-    _WERE_ENABLED_BEFORE = false
+    _were_enabled_before = false
   end
 end)
 
diff --git a/vmf/scripts/mods/vmf/modules/core/network.lua b/vmf/scripts/mods/vmf/modules/core/network.lua
index 19c36b3..4317b87 100644
--- a/vmf/scripts/mods/vmf/modules/core/network.lua
+++ b/vmf/scripts/mods/vmf/modules/core/network.lua
@@ -1,17 +1,16 @@
 local vmf = get_mod("VMF")
 
-local _VMF_USERS = {}
-local _RPC_CALLBACKS = {}
+local _vmf_users = {}
+local _rpc_callbacks = {}
 
-local _LOCAL_MODS_MAP = {}
-local _LOCAL_RPCS_MAP = {}
+local _local_mods_map = {}
+local _local_rpcs_map = {}
 
-local _SHARED_MODS_MAP = ""
-local _SHARED_RPCS_MAP = ""
+local _shared_mods_map = ""
+local _shared_rpcs_map = ""
 
-local _NETWORK_MODULE_IS_INITIALIZED = false
-
-local _NETWORK_DEBUG = false
+local _network_module_is_initialized = false
+local _network_debug = false
 
 -- ####################################################################################################################
 -- ##### Local functions ##############################################################################################
@@ -19,7 +18,7 @@ local _NETWORK_DEBUG = false
 
 local function is_rpc_registered(mod_name, rpc_name)
 
-  local success = pcall(function() return _RPC_CALLBACKS[mod_name][rpc_name] end)
+  local success = pcall(function() return _rpc_callbacks[mod_name][rpc_name] end)
   return success
 end
 
@@ -27,7 +26,7 @@ end
 
 local function convert_names_to_numbers(peer_id, mod_name, rpc_name)
 
-  local user_rpcs_dictionary = _VMF_USERS[peer_id]
+  local user_rpcs_dictionary = _vmf_users[peer_id]
   if user_rpcs_dictionary then
 
     local mod_number = user_rpcs_dictionary[1][mod_name]
@@ -45,10 +44,10 @@ end
 
 local function convert_numbers_to_names(mod_number, rpc_number)
 
-  local mod_name = _LOCAL_MODS_MAP[mod_number]
+  local mod_name = _local_mods_map[mod_number]
   if mod_name then
 
-    local rpc_name = _LOCAL_RPCS_MAP[mod_number][rpc_number]
+    local rpc_name = _local_rpcs_map[mod_number][rpc_number]
     if rpc_name then
 
       return mod_name, rpc_name
@@ -84,7 +83,7 @@ end
 
 local function network_debug(rpc_type, action_type, peer_id, mod_name, rpc_name, data)
 
-  if _NETWORK_DEBUG then
+  if _network_debug then
 
     local debug_message = nil
 
@@ -131,7 +130,7 @@ end
 local function send_rpc_vmf_pong(peer_id)
 
   network_debug("pong", "sent", peer_id)
-  RPC.rpc_chat_message(peer_id, 4, Network.peer_id(), _SHARED_MODS_MAP, _SHARED_RPCS_MAP, false, true, false)
+  RPC.rpc_chat_message(peer_id, 4, Network.peer_id(), _shared_mods_map, _shared_rpcs_map, false, true, false)
 end
 
 local function send_rpc_vmf_data(peer_id, mod_name, rpc_name, ...)
@@ -156,7 +155,7 @@ local function send_rpc_vmf_data_local(mod_name, rpc_name, ...)
     network_debug("data", "local", nil, mod_name, rpc_name, {...})
 
     local error_prefix = "(local rpc) " .. tostring(rpc_name)
-    vmf.xpcall_no_return_values(mod, error_prefix, _RPC_CALLBACKS[mod_name][rpc_name], Network.peer_id(), ...)
+    vmf.xpcall_no_return_values(mod, error_prefix, _rpc_callbacks[mod_name][rpc_name], Network.peer_id(), ...)
   end
 end
 
@@ -166,7 +165,7 @@ end
 
 VMFMod.network_register = function (self, rpc_name, rpc_function)
 
-  if _NETWORK_MODULE_IS_INITIALIZED then
+  if _network_module_is_initialized then
     self:error("(network_register): you can't register new rpc after mod initialization")
     return
   end
@@ -176,9 +175,9 @@ VMFMod.network_register = function (self, rpc_name, rpc_function)
     return
   end
 
-  _RPC_CALLBACKS[self:get_name()] = _RPC_CALLBACKS[self:get_name()] or {}
+  _rpc_callbacks[self:get_name()] = _rpc_callbacks[self:get_name()] or {}
 
-  _RPC_CALLBACKS[self:get_name()][rpc_name] = rpc_function
+  _rpc_callbacks[self:get_name()][rpc_name] = rpc_function
 end
 
 -- recipient = "all", "local", "others", peer_id
@@ -192,7 +191,7 @@ VMFMod.network_send = function (self, rpc_name, recipient, ...)
 
   if recipient == "all" then
 
-    for peer_id, _ in pairs(_VMF_USERS) do
+    for peer_id, _ in pairs(_vmf_users) do
       send_rpc_vmf_data(peer_id, self:get_name(), rpc_name, ...)
     end
 
@@ -200,7 +199,7 @@ VMFMod.network_send = function (self, rpc_name, recipient, ...)
 
   elseif recipient == "others" then
 
-    for peer_id, _ in pairs(_VMF_USERS) do
+    for peer_id, _ in pairs(_vmf_users) do
       send_rpc_vmf_data(peer_id, self:get_name(), rpc_name, ...)
     end
 
@@ -225,7 +224,7 @@ vmf:hook("ChatManager.rpc_chat_message", function(func, self, sender, channel_id
     func(self, sender, channel_id, message_sender, message, localization_param, ...)
   else
 
-    if not _NETWORK_MODULE_IS_INITIALIZED then
+    if not _network_module_is_initialized then
       return
     end
 
@@ -238,7 +237,7 @@ vmf:hook("ChatManager.rpc_chat_message", function(func, self, sender, channel_id
     elseif channel_id == 4 then -- rpc_vmf_responce (@TODO: maybe I should protect it from sending by the player who's not in the game?)
 
       network_debug("pong", "received", sender)
-      if _NETWORK_DEBUG then
+      if _network_debug then
         vmf:info("[RECEIVED MODS TABLE]: " .. message)
         vmf:info("[RECEIVED RPCS TABLE]: " .. localization_param)
       end
@@ -250,7 +249,7 @@ vmf:hook("ChatManager.rpc_chat_message", function(func, self, sender, channel_id
         user_rpcs_dictionary[1] = cjson.decode(message) -- mods
         user_rpcs_dictionary[2] = cjson.decode(localization_param) -- rpcs
 
-        _VMF_USERS[sender] = user_rpcs_dictionary
+        _vmf_users[sender] = user_rpcs_dictionary
 
         vmf:info("Added %s to the VMF users list.", sender)
 
@@ -281,7 +280,7 @@ vmf:hook("ChatManager.rpc_chat_message", function(func, self, sender, channel_id
         vmf.xpcall_no_return_values(
          get_mod(mod_name),
          error_prefix,
-         function() _RPC_CALLBACKS[mod_name][rpc_name](sender, deserialize_data(localization_param)) end
+         function() _rpc_callbacks[mod_name][rpc_name](sender, deserialize_data(localization_param)) end
         )
       end
     end
@@ -299,7 +298,7 @@ end)
 
 vmf:hook("PlayerManager.remove_player", function (func, self, peer_id, local_player_id)
 
-  if _VMF_USERS[peer_id] then
+  if _vmf_users[peer_id] then
 
     -- make sure it's not the bot
     for _, player in pairs(Managers.player:human_players()) do
@@ -308,14 +307,14 @@ vmf:hook("PlayerManager.remove_player", function (func, self, peer_id, local_pla
         vmf:info("Removed %s from the VMF users list.", peer_id)
 
         -- event
-        for mod_name, _ in pairs(_VMF_USERS[peer_id][1]) do
+        for mod_name, _ in pairs(_vmf_users[peer_id][1]) do
           local mod = get_mod(mod_name)
           if mod then
             vmf.mod_user_left_the_game(mod, player)
           end
         end
 
-        _VMF_USERS[peer_id] = nil
+        _vmf_users[peer_id] = nil
         break
       end
     end
@@ -330,34 +329,34 @@ end)
 
 vmf.create_network_dictionary = function()
 
-  _SHARED_MODS_MAP = {}
-  _SHARED_RPCS_MAP = {}
+  _shared_mods_map = {}
+  _shared_rpcs_map = {}
 
   local i = 0
-  for mod_name, mod_rpcs in pairs(_RPC_CALLBACKS) do
+  for mod_name, mod_rpcs in pairs(_rpc_callbacks) do
 
     i = i + 1
 
-    _SHARED_MODS_MAP[mod_name] = i
-    _LOCAL_MODS_MAP[i] = mod_name
+    _shared_mods_map[mod_name] = i
+    _local_mods_map[i] = mod_name
 
-    _SHARED_RPCS_MAP[i] = {}
-    _LOCAL_RPCS_MAP[i] = {}
+    _shared_rpcs_map[i] = {}
+    _local_rpcs_map[i] = {}
 
     local j = 0
     for rpc_name, _ in pairs(mod_rpcs) do
 
       j = j + 1
 
-      _SHARED_RPCS_MAP[i][rpc_name] = j
-      _LOCAL_RPCS_MAP[i][j] = rpc_name
+      _shared_rpcs_map[i][rpc_name] = j
+      _local_rpcs_map[i][j] = rpc_name
     end
   end
 
-  _SHARED_MODS_MAP = cjson.encode(_SHARED_MODS_MAP)
-  _SHARED_RPCS_MAP = cjson.encode(_SHARED_RPCS_MAP)
+  _shared_mods_map = cjson.encode(_shared_mods_map)
+  _shared_rpcs_map = cjson.encode(_shared_rpcs_map)
 
-  _NETWORK_MODULE_IS_INITIALIZED = true
+  _network_module_is_initialized = true
 end
 
 vmf.ping_vmf_users = function()
@@ -374,7 +373,7 @@ vmf.ping_vmf_users = function()
 end
 
 vmf.load_network_settings = function()
-  _NETWORK_DEBUG = vmf:get("developer_mode") and vmf:get("show_network_debug_info")
+  _network_debug = vmf:get("developer_mode") and vmf:get("show_network_debug_info")
 end
 
 -- ####################################################################################################################
diff --git a/vmf/scripts/mods/vmf/modules/core/persistent_tables.lua b/vmf/scripts/mods/vmf/modules/core/persistent_tables.lua
index 516da1c..4bea970 100644
--- a/vmf/scripts/mods/vmf/modules/core/persistent_tables.lua
+++ b/vmf/scripts/mods/vmf/modules/core/persistent_tables.lua
@@ -2,7 +2,7 @@ local vmf = get_mod("VMF")
 
 Managers.vmf.persistent_tables = Managers.vmf.persistent_tables or {}
 
-local _PERSISTENT_TABLES = Managers.vmf.persistent_tables
+local _persistent_tables = Managers.vmf.persistent_tables
 
 -- ####################################################################################################################
 -- ##### VMFMod #######################################################################################################
@@ -15,11 +15,9 @@ VMFMod.persistent_table = function (self, table_name)
   end
 
   local mod_name = self:get_name()
+  _persistent_tables[mod_name] = _persistent_tables[mod_name] or {}
 
-  _PERSISTENT_TABLES[mod_name] = _PERSISTENT_TABLES[mod_name] or {}
-
-  local mod_tables = _PERSISTENT_TABLES[mod_name]
-
+  local mod_tables = _persistent_tables[mod_name]
   mod_tables[table_name] = mod_tables[table_name] or {}
 
   return mod_tables[table_name]
diff --git a/vmf/scripts/mods/vmf/modules/core/settings.lua b/vmf/scripts/mods/vmf/modules/core/settings.lua
index 1385590..136ea59 100644
--- a/vmf/scripts/mods/vmf/modules/core/settings.lua
+++ b/vmf/scripts/mods/vmf/modules/core/settings.lua
@@ -6,9 +6,9 @@
 --]]
 local vmf = get_mod("VMF")
 
-local _MODS_SETTINGS = Application.user_setting("mods_settings") or {}
+local _mods_settings = Application.user_setting("mods_settings") or {}
 
-local _THERE_ARE_UNSAVED_CHANGES = false
+local _there_are_unsaved_changes = false
 
 -- ####################################################################################################################
 -- ##### Local functions ##############################################################################################
@@ -16,11 +16,11 @@ local _THERE_ARE_UNSAVED_CHANGES = false
 
 local function save_all_settings()
 
-  if _THERE_ARE_UNSAVED_CHANGES then
-    Application.set_user_setting("mods_settings", _MODS_SETTINGS)
+  if _there_are_unsaved_changes then
+    Application.set_user_setting("mods_settings", _mods_settings)
     Application.save_user_settings()
 
-    _THERE_ARE_UNSAVED_CHANGES = false
+    _there_are_unsaved_changes = false
   end
 end
 
@@ -37,15 +37,15 @@ VMFMod.set = function (self, setting_name, setting_value, call_setting_changed_e
 
   local mod_name = self:get_name()
 
-  if not _MODS_SETTINGS[mod_name] then
-    _MODS_SETTINGS[mod_name] = {}
+  if not _mods_settings[mod_name] then
+    _mods_settings[mod_name] = {}
   end
 
-  local mod_settings = _MODS_SETTINGS[mod_name]
+  local mod_settings = _mods_settings[mod_name]
 
   mod_settings[setting_name] = type(setting_value) == "table" and table.clone(setting_value) or setting_value
 
-  _THERE_ARE_UNSAVED_CHANGES = true
+  _there_are_unsaved_changes = true
 
   if call_setting_changed_event then
     vmf.mod_setting_changed_event(self, setting_name)
@@ -59,7 +59,7 @@ VMFMod.get = function (self, setting_name)
 
   local mod_name = self:get_name()
 
-  local mod_settings = _MODS_SETTINGS[mod_name]
+  local mod_settings = _mods_settings[mod_name]
 
   local setting_value
 
diff --git a/vmf/scripts/mods/vmf/modules/core/toggling.lua b/vmf/scripts/mods/vmf/modules/core/toggling.lua
index 8b0ea41..3239584 100644
--- a/vmf/scripts/mods/vmf/modules/core/toggling.lua
+++ b/vmf/scripts/mods/vmf/modules/core/toggling.lua
@@ -1,6 +1,6 @@
 local vmf = get_mod("VMF")
 
-local _DISABLED_MODS = vmf:get("disabled_mods_list") or {}
+local _disabled_mods = vmf:get("disabled_mods_list") or {}
 
 -- ####################################################################################################################
 -- ##### VMF internal functions and variables #########################################################################
@@ -20,11 +20,11 @@ vmf.set_mod_state = function (mod, is_enabled, initial_call)
 
   if not (initial_call or mod:is_mutator()) then
     if is_enabled then
-      _DISABLED_MODS[mod:get_name()] = nil
+      _disabled_mods[mod:get_name()] = nil
     else
-      _DISABLED_MODS[mod:get_name()] = true
+      _disabled_mods[mod:get_name()] = true
     end
-    vmf:set("disabled_mods_list", _DISABLED_MODS)
+    vmf:set("disabled_mods_list", _disabled_mods)
   end
 end
 
@@ -41,7 +41,7 @@ vmf.initialize_mod_state = function (mod)
     end
     vmf.set_mutator_state(mod, state, true)
   else
-    state = not _DISABLED_MODS[mod:get_name()]
+    state = not _disabled_mods[mod:get_name()]
     vmf.set_mod_state(mod, state, true)
   end
 end
diff --git a/vmf/scripts/mods/vmf/modules/gui/custom_textures.lua b/vmf/scripts/mods/vmf/modules/gui/custom_textures.lua
index 73d99a3..067a71d 100644
--- a/vmf/scripts/mods/vmf/modules/gui/custom_textures.lua
+++ b/vmf/scripts/mods/vmf/modules/gui/custom_textures.lua
@@ -2,12 +2,12 @@ local vmf = get_mod("VMF")
 
 UI_RENDERERS = UI_RENDERERS or {}
 
-local _CUSTOM_NONE_ATLAS_TEXTURES = {}
-local _CUSTOM_UI_ATLAS_SETTINGS = {}
+local _custom_none_atlas_textures = {}
+local _custom_ui_atlas_settings = {}
 
-local _INJECTED_MATERIALS = {}
+local _injected_materials = {}
 
-local _SHOW_DEBUG_INFO = false
+local _show_debug_info = false
 
 -- ####################################################################################################################
 -- ##### Local functions ##############################################################################################
@@ -28,13 +28,13 @@ local function check_texture_availability(mod, texture_name)
     return false
   end
 
-  if _CUSTOM_NONE_ATLAS_TEXTURES[texture_name] then
-    mod:error("(custom texture/atlas): texture name '%s' is already used by the mod '%s' as none atlas texture", texture_name, _CUSTOM_NONE_ATLAS_TEXTURES[texture_name])
+  if _custom_none_atlas_textures[texture_name] then
+    mod:error("(custom texture/atlas): texture name '%s' is already used by the mod '%s' as none atlas texture", texture_name, _custom_none_atlas_textures[texture_name])
     return false
   end
 
-  if _CUSTOM_UI_ATLAS_SETTINGS[texture_name] then
-    texture_settings = _CUSTOM_UI_ATLAS_SETTINGS[texture_name]
+  if _custom_ui_atlas_settings[texture_name] then
+    texture_settings = _custom_ui_atlas_settings[texture_name]
     mod:error("(custom texture/atlas): texture name '%s' is already used by the mod '%s' in atlas '%s'", texture_name, texture_settings.mod_name, tostring(texture_settings.material_name))
     return false
   end
@@ -51,7 +51,7 @@ vmf.custom_textures = function (mod, ...)
   for i, texture_name in ipairs({...}) do
     if type(texture_name) == "string" then
       if check_texture_availability(mod, texture_name) then
-        _CUSTOM_NONE_ATLAS_TEXTURES[texture_name] = mod:get_name()
+        _custom_none_atlas_textures[texture_name] = mod:get_name()
       end
     else
       mod:error("(custom_textures): all arguments should have the string type, but the argument #%s is %s", i, type(texture_name))
@@ -86,7 +86,7 @@ vmf.custom_atlas = function (mod, material_settings_file, material_name, masked_
         texture_settings.masked_point_sample_material_name = masked_point_sample_material_name
         texture_settings.saturated_material_name           = saturated_material_name
 
-        _CUSTOM_UI_ATLAS_SETTINGS[texture_name] = texture_settings
+        _custom_ui_atlas_settings[texture_name] = texture_settings
       end
     end
 
@@ -101,7 +101,7 @@ vmf.inject_materials = function (mod, ui_renderer_creator, ...)
     return
   end
 
-  local injected_materials_list = _INJECTED_MATERIALS[ui_renderer_creator] or {}
+  local injected_materials_list = _injected_materials[ui_renderer_creator] or {}
 
   local can_inject
   for i, new_injected_material in ipairs({...}) do
@@ -126,7 +126,7 @@ vmf.inject_materials = function (mod, ui_renderer_creator, ...)
     end
   end
 
-  _INJECTED_MATERIALS[ui_renderer_creator] = injected_materials_list
+  _injected_materials[ui_renderer_creator] = injected_materials_list
 
   -- recreate GUIs with injected materials for ui_renderers created by 'ui_renderer_creator'
   local vmf_data
@@ -190,8 +190,8 @@ vmf:hook("UIRenderer.create", function(func, world, ...)
 
   local ui_renderer_materials = {...}
 
-  if _INJECTED_MATERIALS[ui_renderer_creator] then
-    for _, injected_material in ipairs(_INJECTED_MATERIALS[ui_renderer_creator]) do
+  if _injected_materials[ui_renderer_creator] then
+    for _, injected_material in ipairs(_injected_materials[ui_renderer_creator]) do
       table.insert(ui_renderer_materials, "material")
       table.insert(ui_renderer_materials, injected_material)
     end
@@ -200,7 +200,7 @@ vmf:hook("UIRenderer.create", function(func, world, ...)
 
   -- DEBUG INFO
 
-  if _SHOW_DEBUG_INFO then
+  if _show_debug_info then
     vmf:info("UI_RENDERER CREATED BY:")
     vmf:info("   %s", ui_renderer_creator)
     vmf:info("UI_RENDERER MATERIALS:")
@@ -235,7 +235,7 @@ end)
 
 vmf:hook("UIAtlasHelper.has_atlas_settings_by_texture_name", function(func, texture_name)
 
-  if _CUSTOM_UI_ATLAS_SETTINGS[texture_name] then
+  if _custom_ui_atlas_settings[texture_name] then
     return true
   end
 
@@ -245,12 +245,12 @@ end)
 
 vmf:hook("UIAtlasHelper.get_atlas_settings_by_texture_name", function(func, texture_name)
 
-  if _CUSTOM_NONE_ATLAS_TEXTURES[texture_name] then
+  if _custom_none_atlas_textures[texture_name] then
     return
   end
 
-  if _CUSTOM_UI_ATLAS_SETTINGS[texture_name] then
-    return _CUSTOM_UI_ATLAS_SETTINGS[texture_name]
+  if _custom_ui_atlas_settings[texture_name] then
+    return _custom_ui_atlas_settings[texture_name]
   end
 
   return func(texture_name)
@@ -261,7 +261,7 @@ end)
 -- ####################################################################################################################
 
 vmf.load_custom_textures_settings = function()
-  _SHOW_DEBUG_INFO = vmf:get("developer_mode") and vmf:get("log_ui_renderers_info")
+  _show_debug_info = vmf:get("developer_mode") and vmf:get("log_ui_renderers_info")
 end
 
 vmf.reset_guis = function()
diff --git a/vmf/scripts/mods/vmf/modules/ui/chat/chat_actions.lua b/vmf/scripts/mods/vmf/modules/ui/chat/chat_actions.lua
index e0b5254..5123e33 100644
--- a/vmf/scripts/mods/vmf/modules/ui/chat/chat_actions.lua
+++ b/vmf/scripts/mods/vmf/modules/ui/chat/chat_actions.lua
@@ -5,35 +5,35 @@
 ]]
 local vmf = get_mod("VMF")
 
-local _CHAT_OPENED = false
+local _chat_opened = false
 
-local _COMMANDS_LIST = {}
-local _COMMAND_INDEX = 0 -- 0 => nothing selected
+local _commands_list = {}
+local _command_index = 0 -- 0 => nothing selected
 
-local _COMMANDS_LIST_GUI_DRAW = nil
+local _commands_list_gui_draw
 
-local _CHAT_HISTORY = {}
-local _CHAT_HISTORY_INDEX = 0
-local _CHAT_HISTORY_ENABLED = true
-local _CHAT_HISTORY_SAVE = true
-local _CHAT_HISTORY_MAX = 50
-local _CHAT_HISTORY_REMOVE_DUPS_LAST = false
-local _CHAT_HISTORY_REMOVE_DUPS_ALL = false
-local _CHAT_HISTORY_SAVE_COMMANDS_ONLY = false
+local _chat_history = {}
+local _chat_history_index = 0
+local _chat_history_enabled = true
+local _chat_history_save = true
+local _chat_history_max = 50
+local _chat_history_remove_dups_last = false
+local _chat_history_remove_dups_all = false
+local _chat_history_save_commands_only = false
 
-local _QUEUED_COMMAND -- is a workaround for VT2 where raycast is blocked during ui update
+local _queued_command -- is a workaround for VT2 where raycast is blocked during ui update
 
 -- ####################################################################################################################
 -- ##### Local functions ##############################################################################################
 -- ####################################################################################################################
 
 local function initialize_drawing_function()
-  _COMMANDS_LIST_GUI_DRAW = dofile("scripts/mods/vmf/modules/ui/chat/commands_list_gui")
+  _commands_list_gui_draw = dofile("scripts/mods/vmf/modules/ui/chat/commands_list_gui")
 end
 
 local function clean_chat_history()
-  _CHAT_HISTORY = {}
-  _CHAT_HISTORY_INDEX = 0
+  _chat_history = {}
+  _chat_history_index = 0
 end
 
 local function set_chat_message(chat_gui, message)
@@ -60,7 +60,7 @@ end)
 vmf:hook("ChatGui.block_input", function(func, ...)
   func(...)
 
-  _CHAT_OPENED = true
+  _chat_opened = true
 end)
 
 
@@ -72,21 +72,21 @@ vmf:hook("ChatGui._update_input", function(func, self, input_service, menu_input
   if Keyboard.pressed(Keyboard.button_index("enter")) then
 
     -- chat history
-    if _CHAT_HISTORY_ENABLED
+    if _chat_history_enabled
        and self.chat_message ~= ""
-       and not (_CHAT_HISTORY_REMOVE_DUPS_LAST and (self.chat_message == _CHAT_HISTORY[1]))
-       and (not _CHAT_HISTORY_SAVE_COMMANDS_ONLY or (_COMMAND_INDEX ~= 0)) then
-      table.insert(_CHAT_HISTORY, 1, self.chat_message)
+       and not (_chat_history_remove_dups_last and (self.chat_message == _chat_history[1]))
+       and (not _chat_history_save_commands_only or (_command_index ~= 0)) then
+      table.insert(_chat_history, 1, self.chat_message)
 
-      if #_CHAT_HISTORY == _CHAT_HISTORY_MAX + 1 then
-        table.remove(_CHAT_HISTORY, #_CHAT_HISTORY)
+      if #_chat_history == _chat_history_max + 1 then
+        table.remove(_chat_history, #_chat_history)
       end
 
-      if _CHAT_HISTORY_REMOVE_DUPS_ALL then
+      if _chat_history_remove_dups_all then
 
-        for i = 2, #_CHAT_HISTORY do
-          if _CHAT_HISTORY[i] == self.chat_message then
-            table.remove(_CHAT_HISTORY, i)
+        for i = 2, #_chat_history do
+          if _chat_history[i] == self.chat_message then
+            table.remove(_chat_history, i)
             break
           end
         end
@@ -94,20 +94,20 @@ vmf:hook("ChatGui._update_input", function(func, self, input_service, menu_input
     end
 
     -- command execution
-    if _COMMAND_INDEX ~= 0 then
+    if _command_index ~= 0 then
       local args = {}
       for arg in string.gmatch(self.chat_message, "%S+") do
         table.insert(args, arg)
       end
       table.remove(args, 1)
 
-      _QUEUED_COMMAND = {
-        name = _COMMANDS_LIST[_COMMAND_INDEX].name,
+      _queued_command = {
+        name = _commands_list[_command_index].name,
         args = args
       }
 
-      _COMMANDS_LIST = {}
-      _COMMAND_INDEX = 0
+      _commands_list = {}
+      _command_index = 0
 
       set_chat_message(self, "")
 
@@ -122,11 +122,11 @@ vmf:hook("ChatGui._update_input", function(func, self, input_service, menu_input
   if chat_closed then
     set_chat_message(self, "")
 
-    _CHAT_OPENED = false
+    _chat_opened = false
 
-    _COMMANDS_LIST = {}
-    _COMMAND_INDEX = 0
-    _CHAT_HISTORY_INDEX = 0
+    _commands_list = {}
+    _command_index = 0
+    _chat_history_index = 0
 
     if command_executed then
       chat_closed = false
@@ -134,7 +134,7 @@ vmf:hook("ChatGui._update_input", function(func, self, input_service, menu_input
     end
   end
 
-  if _CHAT_OPENED then
+  if _chat_opened then
 
     -- getting state of 'tab', 'arrow up' and 'arrow down' buttons
     local tab_pressed = false
@@ -152,7 +152,7 @@ vmf:hook("ChatGui._update_input", function(func, self, input_service, menu_input
     end
 
     -- chat history
-    if _CHAT_HISTORY_ENABLED then
+    if _chat_history_enabled then
 
       -- reverse result of native chat history in VT2
       if not VT1 and input_service.get(input_service, "chat_next_old_message") or input_service.get(input_service, "chat_previous_old_message") then
@@ -161,21 +161,21 @@ vmf:hook("ChatGui._update_input", function(func, self, input_service, menu_input
 
       -- message was modified by player
       if self.chat_message ~= self.previous_chat_message then
-        _CHAT_HISTORY_INDEX = 0
+        _chat_history_index = 0
       end
       if arrow_up_pressed or arrow_down_pressed then
 
-        local new_index = _CHAT_HISTORY_INDEX + (arrow_up_pressed and 1 or -1)
-        new_index = math.clamp(new_index, 0, #_CHAT_HISTORY)
+        local new_index = _chat_history_index + (arrow_up_pressed and 1 or -1)
+        new_index = math.clamp(new_index, 0, #_chat_history)
 
-        if _CHAT_HISTORY_INDEX ~= new_index then
-          if _CHAT_HISTORY[new_index] then
+        if _chat_history_index ~= new_index then
+          if _chat_history[new_index] then
 
-            set_chat_message(self, _CHAT_HISTORY[new_index])
+            set_chat_message(self, _chat_history[new_index])
 
             self.previous_chat_message = self.chat_message
 
-            _CHAT_HISTORY_INDEX = new_index
+            _chat_history_index = new_index
           else -- new_index == 0
             set_chat_message(self, "")
           end
@@ -200,11 +200,11 @@ vmf:hook("ChatGui._update_input", function(func, self, input_service, menu_input
       if not string.find(self.chat_message, " ") -- if there's no space after '/part_of_command_name'
          and tab_pressed                         -- if TAB was pressed
          and (string.len(self.chat_message) + 1) == self.chat_index -- if TAB was pressed with caret at the end of the string
-         and (#_COMMANDS_LIST > 0) then           -- if there are any commands matching entered '/part_of_command_name'
+         and (#_commands_list > 0) then           -- if there are any commands matching entered '/part_of_command_name'
 
-        _COMMAND_INDEX = _COMMAND_INDEX % #_COMMANDS_LIST + 1
+        _command_index = _command_index % #_commands_list + 1
 
-        set_chat_message(self, "/" .. _COMMANDS_LIST[_COMMAND_INDEX].name)
+        set_chat_message(self, "/" .. _commands_list[_command_index].name)
 
         -- so the next block won't update the commands list
         old_chat_message = self.chat_message
@@ -217,27 +217,27 @@ vmf:hook("ChatGui._update_input", function(func, self, input_service, menu_input
         local command_name_contains = self.chat_message:match("%S+"):sub(2, -1)
 
         if string.find(self.chat_message, " ") then
-          _COMMANDS_LIST = vmf.get_commands_list(command_name_contains, true)
+          _commands_list = vmf.get_commands_list(command_name_contains, true)
         else
-          _COMMANDS_LIST = vmf.get_commands_list(command_name_contains)
+          _commands_list = vmf.get_commands_list(command_name_contains)
         end
 
-        _COMMAND_INDEX = 0
+        _command_index = 0
 
-        if #_COMMANDS_LIST > 0 and command_name_contains:lower() == _COMMANDS_LIST[1].name then
-          _COMMAND_INDEX = 1
+        if #_commands_list > 0 and command_name_contains:lower() == _commands_list[1].name then
+          _command_index = 1
         end
       end
 
 
     -- chat message was modified and doesn't start with '/'
-    elseif self.chat_message ~= old_chat_message and #_COMMANDS_LIST > 0 then
-      _COMMANDS_LIST = {}
-      _COMMAND_INDEX = 0
+    elseif self.chat_message ~= old_chat_message and #_commands_list > 0 then
+      _commands_list = {}
+      _command_index = 0
     end
 
-    if #_COMMANDS_LIST > 0 then
-      _COMMANDS_LIST_GUI_DRAW(_COMMANDS_LIST, _COMMAND_INDEX)
+    if #_commands_list > 0 then
+      _commands_list_gui_draw(_commands_list, _command_index)
     end
   end
 
@@ -250,20 +250,20 @@ end)
 
 vmf.load_chat_history_settings = function(clean_chat_history_)
 
-  _CHAT_HISTORY_ENABLED            = vmf:get("chat_history_enable")
-  _CHAT_HISTORY_SAVE               = vmf:get("chat_history_save")
-  _CHAT_HISTORY_MAX                = vmf:get("chat_history_buffer_size")
-  _CHAT_HISTORY_REMOVE_DUPS_LAST   = vmf:get("chat_history_remove_dups")
-  _CHAT_HISTORY_REMOVE_DUPS_ALL    = vmf:get("chat_history_remove_dups") and (vmf:get("chat_history_remove_dups_mode") == "all")
-  _CHAT_HISTORY_SAVE_COMMANDS_ONLY = vmf:get("chat_history_commands_only")
+  _chat_history_enabled            = vmf:get("chat_history_enable")
+  _chat_history_save               = vmf:get("chat_history_save")
+  _chat_history_max                = vmf:get("chat_history_buffer_size")
+  _chat_history_remove_dups_last   = vmf:get("chat_history_remove_dups")
+  _chat_history_remove_dups_all    = vmf:get("chat_history_remove_dups") and (vmf:get("chat_history_remove_dups_mode") == "all")
+  _chat_history_save_commands_only = vmf:get("chat_history_commands_only")
 
-  if _CHAT_HISTORY_ENABLED then
+  if _chat_history_enabled then
     vmf:command("clean_chat_history", vmf:localize("clean_chat_history"), clean_chat_history)
   else
     vmf:command_remove("clean_chat_history")
   end
 
-  if not _CHAT_HISTORY_SAVE then
+  if not _chat_history_save then
     vmf:set("chat_history", nil)
   end
 
@@ -273,15 +273,15 @@ vmf.load_chat_history_settings = function(clean_chat_history_)
 end
 
 vmf.save_chat_history = function()
-  if _CHAT_HISTORY_SAVE then
-    vmf:set("chat_history", _CHAT_HISTORY)
+  if _chat_history_save then
+    vmf:set("chat_history", _chat_history)
   end
 end
 
 vmf.execute_queued_chat_command = function()
-  if _QUEUED_COMMAND then
-    vmf.run_command(_QUEUED_COMMAND.name, unpack(_QUEUED_COMMAND.args))
-    _QUEUED_COMMAND = nil
+  if _queued_command then
+    vmf.run_command(_queued_command.name, unpack(_queued_command.args))
+    _queued_command = nil
   end
 end
 
@@ -291,8 +291,8 @@ end
 
 vmf.load_chat_history_settings()
 
-if _CHAT_HISTORY_SAVE then
-  _CHAT_HISTORY = vmf:get("chat_history") or _CHAT_HISTORY
+if _chat_history_save then
+  _chat_history = vmf:get("chat_history") or _chat_history
 end
 
 if Managers.world and Managers.world:has_world("top_ingame_view") then
diff --git a/vmf/scripts/mods/vmf/modules/ui/chat/commands_list_gui.lua b/vmf/scripts/mods/vmf/modules/ui/chat/commands_list_gui.lua
index d964e78..02ef10f 100644
--- a/vmf/scripts/mods/vmf/modules/ui/chat/commands_list_gui.lua
+++ b/vmf/scripts/mods/vmf/modules/ui/chat/commands_list_gui.lua
@@ -1,12 +1,12 @@
 local vmf = get_mod("VMF") --@TODO: remove it?
 
-local _GUI
+local _gui
 
 if VT1 then
   -- @TODO: I don't think I need the 2nd texture
-  _GUI = World.create_screen_gui(Managers.world:world("top_ingame_view"), "immediate", "material", "materials/fonts/gw_fonts", "material", "materials/ui/ui_1080p_ingame_common")
+  _gui = World.create_screen_gui(Managers.world:world("top_ingame_view"), "immediate", "material", "materials/fonts/gw_fonts", "material", "materials/ui/ui_1080p_ingame_common")
 else
-  _GUI = World.create_screen_gui(Managers.world:world("top_ingame_view"), "material", "materials/fonts/gw_fonts", "immediate")
+  _gui = World.create_screen_gui(Managers.world:world("top_ingame_view"), "material", "materials/fonts/gw_fonts", "immediate")
 end
 
 --	DebugScreen.gui = World.create_screen_gui(world, "material", "materials/fonts/gw_fonts", "material", "materials/menu/debug_screen", "immediate")
@@ -33,7 +33,7 @@ local _WIDTH = 550
 -- ####################################################################################################################
 
 local function get_text_width(text, font_material, font_size)
-	local text_extent_min, text_extent_max = Gui.text_extents(_GUI, text, font_material, font_size)
+	local text_extent_min, text_extent_max = Gui.text_extents(_gui, text, font_material, font_size)
 	local text_height = text_extent_max[1] - text_extent_min[1]
 	return text_height
 end
@@ -45,7 +45,7 @@ local function word_wrap(text, font_material, font_size, max_width)
 	local reuse_global_table = true
   local scale = RESOLUTION_LOOKUP.scale
 
-	return Gui.word_wrap(_GUI, text, font_material, font_size, max_width * scale, whitespace, soft_dividers, return_dividers, reuse_global_table)
+	return Gui.word_wrap(_gui, text, font_material, font_size, max_width * scale, whitespace, soft_dividers, return_dividers, reuse_global_table)
 end
 
 local function draw(commands_list, selected_command_index)
@@ -81,7 +81,7 @@ local function draw(commands_list, selected_command_index)
 
       -- draw "/command_name" text
       local string_position = Vector3((_OFFSET_X + _STRING_X_MARGIN) * scale, (_OFFSET_Y - _STRING_HEIGHT * (i + selected_strings_number - 1) + _STRING_Y_OFFSET) * scale, _OFFSET_Z + 2)
-      Gui.text(_GUI, command.name, font_material, font_size, font_name, string_position, Color(255, 100, 255, 100))
+      Gui.text(_gui, command.name, font_material, font_size, font_name, string_position, Color(255, 100, 255, 100))
 
       local command_text_strings = word_wrap(command.full_text, font_material, font_size, _WIDTH - _STRING_X_MARGIN * 2)
       local multistring = #command_text_strings > 1
@@ -95,7 +95,7 @@ local function draw(commands_list, selected_command_index)
 
           -- draw that [...] thing
           local multistring_indicator_position = Vector3((_OFFSET_X + _WIDTH) * scale - multistring_indicator_width, string_position.y, string_position.z)
-          Gui.text(_GUI, _MULTISTRING_INDICATOR_TEXT, font_material, font_size, font_name, multistring_indicator_position, Color(255, 100, 100, 100))
+          Gui.text(_gui, _MULTISTRING_INDICATOR_TEXT, font_material, font_size, font_name, multistring_indicator_position, Color(255, 100, 100, 100))
         end
         first_description_string = string.sub(command_text_strings[1], #command.name + 2)
       else
@@ -105,13 +105,13 @@ local function draw(commands_list, selected_command_index)
       -- draw command description text (1st string)
       local first_description_string_width = get_text_width(command.name, font_material, font_size)
       local first_description_string_position = Vector3(string_position.x + first_description_string_width, string_position.y, string_position.z)
-      Gui.text(_GUI, first_description_string, font_material, font_size, font_name, first_description_string_position, Color(255, 255, 255, 255))
+      Gui.text(_gui, first_description_string, font_material, font_size, font_name, first_description_string_position, Color(255, 255, 255, 255))
 
       -- draw command description text (2+ strings)
       if command.selected and multistring then
         for j = 2, selected_strings_number do
           string_position.y = string_position.y - _STRING_HEIGHT * scale
-          Gui.text(_GUI, command_text_strings[j], font_material, font_size, font_name, string_position, Color(255, 255, 255, 255))
+          Gui.text(_gui, command_text_strings[j], font_material, font_size, font_name, string_position, Color(255, 255, 255, 255))
         end
       end
     end
@@ -123,7 +123,7 @@ local function draw(commands_list, selected_command_index)
     local bg_position = Vector3(_OFFSET_X * scale, bg_pos_y * scale, _OFFSET_Z)
     local bg_size     = Vector2(_WIDTH * scale, bg_height * scale)
     local bg_color    = Color(200, 10, 10, 10)
-    Gui.rect(_GUI, bg_position, bg_size, bg_color)
+    Gui.rect(_gui, bg_position, bg_size, bg_color)
 
     -- selection rectangle
     if selected_command_new_index > 0 then
@@ -133,7 +133,7 @@ local function draw(commands_list, selected_command_index)
       local selection_position = Vector3(_OFFSET_X * scale, selection_pos_y * scale, _OFFSET_Z + 1)
       local selection_size     = Vector2(_WIDTH * scale, selection_height * scale)
       local selection_color    = Color(100, 120, 120, 120)
-      Gui.rect(_GUI, selection_position, selection_size, selection_color)
+      Gui.rect(_gui, selection_position, selection_size, selection_color)
     end
 
     -- "selected command number / total commands number" indicator
@@ -144,7 +144,7 @@ local function draw(commands_list, selected_command_index)
       end
       local total_number_indicator_width = get_text_width(total_number_indicator, font_material, font_size)
       local total_number_indicator_position = Vector3((_WIDTH) * scale - total_number_indicator_width, (_OFFSET_Y + _STRING_Y_OFFSET) * scale, _OFFSET_Z + 2)
-      Gui.text(_GUI, total_number_indicator, font_material, font_size, font_name, total_number_indicator_position, Color(255, 100, 100, 100))
+      Gui.text(_gui, total_number_indicator, font_material, font_size, font_name, total_number_indicator_position, Color(255, 100, 100, 100))
     end
   --end)
 end