diff --git a/.vscode/settings.json b/.vscode/settings.json
index bb5418c..2f0c7a5 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,6 +2,10 @@
     "Lua.diagnostics.globals": [
         "love",
         "unpack",
-        "loadstring"
+        "loadstring",
+        "game",
+        "core",
+        "scenes",
+        "utils"
     ]
 }
diff --git a/sonic-radiance.love/core/input.lua b/sonic-radiance.love/core/input.lua
index 2d6c4c6..b7c01cd 100644
--- a/sonic-radiance.love/core/input.lua
+++ b/sonic-radiance.love/core/input.lua
@@ -69,6 +69,7 @@ end
 
 function InputManager:getKey(sourceid, padkey)
   local padkey = padkey
+  local key
   for k,v in pairs(self.data[sourceid].keys) do
     if (k == padkey) then key = v end
   end
diff --git a/sonic-radiance.love/core/modules/assets/background.lua b/sonic-radiance.love/core/modules/assets/background.lua
index 7a0ac56..4c4ecca 100644
--- a/sonic-radiance.love/core/modules/assets/background.lua
+++ b/sonic-radiance.love/core/modules/assets/background.lua
@@ -32,7 +32,7 @@ function Background:new(filepath)
   self.batch    = love.graphics.newSpriteBatch(self.image , 1000 )
 
   self.width, self.height   = self.image:getDimensions()
-  screenwidth, screenheight = core.screen:getDimensions()
+  local screenwidth, screenheight = core.screen:getDimensions()
 
   local w = math.floor(screenwidth / self.width)    * self.width   + 1
   local h = math.floor(screenheight / self.height)  * self.height  + 1
diff --git a/sonic-radiance.love/core/modules/gamesystem/init.lua b/sonic-radiance.love/core/modules/gamesystem/init.lua
index c3c7fe8..2fca259 100644
--- a/sonic-radiance.love/core/modules/gamesystem/init.lua
+++ b/sonic-radiance.love/core/modules/gamesystem/init.lua
@@ -137,7 +137,7 @@ function GameSystem:write()
   if (self.currentSlot > 0) then
     local data = self:getData()
 
-    savepath = self:getSavePath(self.currentSlot, true)
+    local savepath = self:getSavePath(self.currentSlot, true)
     binser.writeFile(savepath, data)
   end
 end
diff --git a/sonic-radiance.love/core/modules/menusystem/grid.lua b/sonic-radiance.love/core/modules/menusystem/grid.lua
index 8db8209..d23895e 100644
--- a/sonic-radiance.love/core/modules/menusystem/grid.lua
+++ b/sonic-radiance.love/core/modules/menusystem/grid.lua
@@ -147,7 +147,7 @@ end
 -- Handle the keyboard/manette functions
 
 function GridBox:keyreleased(key, code)
-  slotID = self:getWidgetSlot(self.widget.selected)
+  local slotID = self:getWidgetSlot(self.widget.selected)
   local col, line = self.cursor.x, self.cursor.y
   if key == 'left' then
     self:moveCol(-1)
@@ -181,13 +181,13 @@ function GridBox:moveCol(direction)
     if utils.math.sign(xx - orig_x) == direction then
       if utils.math.pointDistance(orig_x, orig_y, xx, yy) < distance then
         distance = utils.math.pointDistance(orig_x, orig_y, xx, yy)
-        nearestWidget = v.widgetID
+        nearastWidget = v.widgetID
       end
     end
   end
 
-  if nearestWidget ~= 0 then
-    self.widget.selected = nearestWidget
+  if nearastWidget ~= 0 then
+    self.widget.selected = nearastWidget
   end
 end
 
@@ -202,13 +202,13 @@ function GridBox:moveLine(direction)
     if utils.math.sign(yy - orig_y) == direction then
       if utils.math.pointDistance(orig_x, orig_y, xx, yy) < distance then
         distance = utils.math.pointDistance(orig_x, orig_y, xx, yy)
-        nearestWidget = v.widgetID
+        nearastWidget = v.widgetID
       end
     end
   end
 
-  if nearestWidget ~= 0 then
-    self.widget.selected = nearestWidget
+  if nearastWidget ~= 0 then
+    self.widget.selected = nearastWidget
   end
 end
 
diff --git a/sonic-radiance.love/core/modules/world/actors/baseactor.lua b/sonic-radiance.love/core/modules/world/actors/baseactor.lua
index 7b82f46..a82f1c2 100644
--- a/sonic-radiance.love/core/modules/world/actors/baseactor.lua
+++ b/sonic-radiance.love/core/modules/world/actors/baseactor.lua
@@ -118,7 +118,7 @@ function BaseActor:setFilter()
 end
 
 function BaseActor:getFuturePosition(dt)
-  local dx, dy
+  local dx, dy, dz
   dx = self.x + self.xsp * dt
   dy = self.y + self.ysp * dt
   dz = self.z + self.zsp * dt
diff --git a/sonic-radiance.love/core/modules/world/camera/init.lua b/sonic-radiance.love/core/modules/world/camera/init.lua
index 9a136c4..129a338 100644
--- a/sonic-radiance.love/core/modules/world/camera/init.lua
+++ b/sonic-radiance.love/core/modules/world/camera/init.lua
@@ -178,7 +178,7 @@ function CameraSystem:attachView(id)
     self.current_canvas = love.graphics.getCanvas()
   	love.graphics.setCanvas(view.canvas)
   	love.graphics.clear()
-
+    local tx, ty, scale
     if id ~= nil then
     -- Du à la manière dont fonctionne STI, on est obligé de récupérer les info
     -- de position de camera pour afficher la carte par rapport à ces infos
diff --git a/sonic-radiance.love/core/options.lua b/sonic-radiance.love/core/options.lua
index 1c0252b..fc523e7 100644
--- a/sonic-radiance.love/core/options.lua
+++ b/sonic-radiance.love/core/options.lua
@@ -119,7 +119,7 @@ function OptionsManager:getTranslationDefaultData()
   local _path = TRANSLATION_PATH .. "init.lua"
   local fileinfo = love.filesystem.getInfo(_path)
   local datas = nil
-
+  local lang
   if fileinfo ~= nil then
     lang = require(TRANSLATION_PATH)
     lang.current  = lang.default or "en"
@@ -144,12 +144,12 @@ end
 function OptionsManager:write()
   local data = self:getData()
 
-  filepath = self:getFile(true)
+  local filepath = self:getFile(true)
   binser.writeFile(filepath, data)
 end
 
 function OptionsManager:read()
-  filepath = self:getFile(true)
+  local filepath = self:getFile(true)
   if utils.filesystem.exists("options.data") then
     local loadedDatas = binser.readFile(filepath)
     self.controller.debug:print("core/options", "data file found, loading it")
diff --git a/sonic-radiance.love/core/utils/graphics.lua b/sonic-radiance.love/core/utils/graphics.lua
index 9a90841..516edea 100644
--- a/sonic-radiance.love/core/utils/graphics.lua
+++ b/sonic-radiance.love/core/utils/graphics.lua
@@ -69,7 +69,7 @@ function Graphics.printWithSpacing(text, spacing, align, x, y, r, sx, sy, ox, oy
 
   for i=1, lenght do
     local char =  string.sub(text, i, i)
-    pos = math.floor(x + xx - width)
+    local pos = math.floor(x + xx - width)
     love.graphics.print(char, pos, y)
     xx = xx + font:getWidth(char) + spacing
   end
diff --git a/sonic-radiance.love/core/utils/math.lua b/sonic-radiance.love/core/utils/math.lua
index 151c525..5112c45 100644
--- a/sonic-radiance.love/core/utils/math.lua
+++ b/sonic-radiance.love/core/utils/math.lua
@@ -63,7 +63,7 @@ function Math.vector(x1, y1, x2, y2)
   local vecx, vecy
 
   vecx = x2 - x1
-  vexy = y2 - y1
+  vecy = y2 - y1
 
   return vecx, vecy
 end
diff --git a/sonic-radiance.love/game/abstractmobs/character.lua b/sonic-radiance.love/game/abstractmobs/character.lua
index 09bd505..6c24ec9 100644
--- a/sonic-radiance.love/game/abstractmobs/character.lua
+++ b/sonic-radiance.love/game/abstractmobs/character.lua
@@ -71,8 +71,8 @@ end
 function AbstractCharacter:setLevel(newlevel)
   self.level = newlevel
   local exp, exp_next, exp_current
-  exp_min     = charutils.getExpValue(self.level)
-  exp_max     = charutils.getExpValue(self.level + 1)
+  local exp_min     = charutils.getExpValue(self.level)
+  local exp_max     = charutils.getExpValue(self.level + 1)
   exp = self.exp
 
   self.exp = math.max(math.min(exp, exp_max - 1), exp_min)
diff --git a/sonic-radiance.love/game/init.lua b/sonic-radiance.love/game/init.lua
index 2e8a302..7e99fc0 100644
--- a/sonic-radiance.love/game/init.lua
+++ b/sonic-radiance.love/game/init.lua
@@ -64,7 +64,7 @@ end
 function Game:read(save_id)
   self.slot = save_id
   if (self.slot > 0) then
-    filepath = self:getSaveFile(self.slot, true)
+    local filepath = self:getSaveFile(self.slot, true)
     if love.filesystem.exists("save" .. self.slot .. ".save") then
       local loadedDatas = binser.readFile(filepath)
 
@@ -78,7 +78,7 @@ function Game:write(save_id)
   if (self.slot > 0) then
     local data = self:getData()
 
-    filepath = self:getSaveFile(self.slot, true)
+    local filepath = self:getSaveFile(self.slot, true)
     binser.writeFile(filepath, data)
   end
 end
@@ -99,7 +99,7 @@ end
 
 function Game:resetSaves()
   for i=1, self.slotNumber do
-    filepath = self:getSaveFile(i, true)
+    local filepath = self:getSaveFile(i, true)
     if love.filesystem.exists("save" .. i .. ".save") then
       love.filesystem.remove( "save" .. i .. ".save" )
     end
@@ -111,8 +111,7 @@ function Game:update(dt)
 end
 
 function Game:getTime()
-  local time = self.gametime
-  local hours, minute, seconds
+  local hours, minutes, seconds
   seconds = math.floor(self.gametime)
   minutes = math.floor(seconds / 60)
   hours = math.floor(minutes / 60)
diff --git a/sonic-radiance.love/game/loot/pocket.lua b/sonic-radiance.love/game/loot/pocket.lua
index 536106b..39cf081 100644
--- a/sonic-radiance.love/game/loot/pocket.lua
+++ b/sonic-radiance.love/game/loot/pocket.lua
@@ -19,7 +19,7 @@ function Pocket:addItem(item, number)
   end
 
   if (not success) then
-    itemData = {}
+    local itemData = {}
     itemData.name = item
     itemData.number = number
     table.insert(self.list, itemData)
diff --git a/sonic-radiance.love/scenes/overworld/charsetmanager.lua b/sonic-radiance.love/scenes/overworld/charsetmanager.lua
index 52f7a46..2fa72ef 100644
--- a/sonic-radiance.love/scenes/overworld/charsetmanager.lua
+++ b/sonic-radiance.love/scenes/overworld/charsetmanager.lua
@@ -28,7 +28,7 @@ function Charset:addChar(ii, jj)
   local charx, chary = (jj-1)*(CHARWIDTH*3), (ii-1)*(CHARHEIGHT*4)
   local char = {}
   for i=1, 4 do
-    animatedDirection = {}
+    local animatedDirection = {}
     local running = {}
     for j=1, 3 do
       local x, y = charx + ((j-1)*CHARWIDTH), (chary + (i-1)*CHARHEIGHT)
diff --git a/sonic-radiance.love/scenes/overworld/screens/menu.lua b/sonic-radiance.love/scenes/overworld/screens/menu.lua
index 2491ac3..9d8b753 100644
--- a/sonic-radiance.love/scenes/overworld/screens/menu.lua
+++ b/sonic-radiance.love/scenes/overworld/screens/menu.lua
@@ -90,7 +90,7 @@ end
 function menu.BoxedWidget:drawCanvas()
   love.graphics.draw(self.box, 0, 0)
 
-  h = math.floor(self.height / 2) - (self.font:getHeight() / 2) - 1
+  local h = math.floor(self.height / 2) - (self.font:getHeight() / 2) - 1
   love.graphics.setColor(0, 0, 0, .8)
   self.font:print(self.label, 17, h, "left")
   self.font:print(self.label2, self.width - 8, h, "right")