diff --git a/.vscode/settings.json b/.vscode/settings.json
index 2f0c7a5..93c0adf 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -6,6 +6,7 @@
         "game",
         "core",
         "scenes",
-        "utils"
+        "utils",
+        "birb"
     ]
 }
diff --git a/sonic-radiance.love/birb/callbacks.lua b/sonic-radiance.love/birb/callbacks.lua
index 8b3f122..30d4463 100644
--- a/sonic-radiance.love/birb/callbacks.lua
+++ b/sonic-radiance.love/birb/callbacks.lua
@@ -23,6 +23,9 @@
 
 function love.update(dt)
   core:update(dt)
+  if (game ~= nil) then
+    game:update(dt)
+  end
 end
 
 function love.draw()
diff --git a/sonic-radiance.love/birb/debug.lua b/sonic-radiance.love/birb/core/debug.lua
similarity index 95%
rename from sonic-radiance.love/birb/debug.lua
rename to sonic-radiance.love/birb/core/debug.lua
index a1cecb7..26c797d 100644
--- a/sonic-radiance.love/birb/debug.lua
+++ b/sonic-radiance.love/birb/core/debug.lua
@@ -23,8 +23,7 @@
 
 local DebugSystem = Object:extend()
 
-local cwd  = (...):gsub('%.debug$', '') .. "."
-local lovebird = require(cwd .. "libs.lovebird")
+local lovebird = require "birb.libs.lovebird"
 
 function DebugSystem:new(controller, active)
   self.controller = controller
diff --git a/sonic-radiance.love/birb/core/init.lua b/sonic-radiance.love/birb/core/init.lua
new file mode 100644
index 0000000..2ecefee
--- /dev/null
+++ b/sonic-radiance.love/birb/core/init.lua
@@ -0,0 +1,111 @@
+-- core/init.lua :: The main file of the core system, an object full of subsystem
+-- loaded by the game to handle the main functions (like screen, translation,
+-- inputs…)
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local cwd  = (...):gsub('%.init$', '') .. "."
+
+local CoreSystem = Object:extend()
+
+local DebugSystem   = require(cwd .. "debug")
+
+local Options       = require(cwd .. "options")
+local Input         = require(cwd .. "input")
+local Screen        = require(cwd .. "screen")
+local Lang          = require(cwd .. "lang")
+local SceneManager  = require(cwd .. "scenemanager")
+
+-- INIT FUNCTIONS
+-- Initialize and configure the core object
+
+function CoreSystem:new(isDebug)
+  self.debug    = DebugSystem(self, isDebug)
+  self.options  = Options(self)
+  self.input    = Input(self)
+  self.screen   = Screen(self)
+  self.scenemanager = SceneManager(self)
+  self.lang         = Lang(self)
+end
+
+function CoreSystem:registerGameSystem(gamesystem)
+  self.game = gamesystem
+end
+
+-- MOUSE FUNCTIONS
+-- get directly the mouse when needed
+
+function CoreSystem:mousemoved(x, y, dx, dy)
+  local x, y    = self.screen:project(x, y)
+  local dx, dy  = self.screen:project(dx, dy)
+  self.scenemanager:mousemoved(x, y, dx, dy)
+end
+
+function CoreSystem:mousepressed( x, y, button, istouch )
+  local x, y    = self.screen:project(x, y)
+  self.scenemanager:mousepressed( x, y, button, istouch )
+end
+
+-- KEYBOARD FUNCTIONS
+-- get directly the keyboard when needed
+
+function CoreSystem:keypressed( key, scancode, isrepeat )
+  self.scenemanager:keypressed( key, scancode, isrepeat )
+end
+
+function CoreSystem:keyreleased( key )
+  self.scenemanager:keyreleased( key )
+end
+
+-- UPDATE FUNCTIONS
+-- Load every sytem every update functions of the scene and objects
+
+function CoreSystem:update(dt)
+  -- If the frameskip is to high, prefer slowdown to frameskip
+  local dt = math.min(dt, 1/15)
+  self.debug:update(dt)
+  self.input:update(dt)
+
+  if (self.game ~= nil) then
+    self.game:update(dt)
+  end
+
+  self.scenemanager:update(dt)
+  self.screen:update(dt)
+end
+
+-- DRAW FUNCTIONS
+-- Draw the whole game
+
+function CoreSystem:draw()
+  self.scenemanager:draw()
+end
+
+-- EXIT FUNCTIONS
+-- Quit the game
+
+function CoreSystem:exit()
+  self.options:save()
+  love.event.quit()
+end
+
+return CoreSystem
diff --git a/sonic-radiance.love/birb/input.lua b/sonic-radiance.love/birb/core/input.lua
similarity index 100%
rename from sonic-radiance.love/birb/input.lua
rename to sonic-radiance.love/birb/core/input.lua
diff --git a/sonic-radiance.love/birb/lang.lua b/sonic-radiance.love/birb/core/lang.lua
similarity index 100%
rename from sonic-radiance.love/birb/lang.lua
rename to sonic-radiance.love/birb/core/lang.lua
diff --git a/sonic-radiance.love/birb/options.lua b/sonic-radiance.love/birb/core/options.lua
similarity index 98%
rename from sonic-radiance.love/birb/options.lua
rename to sonic-radiance.love/birb/core/options.lua
index c958e1c..8fc2637 100644
--- a/sonic-radiance.love/birb/options.lua
+++ b/sonic-radiance.love/birb/core/options.lua
@@ -24,8 +24,7 @@
 
 local OptionsManager = Object:extend()
 
-local cwd  = (...):gsub('%.options$', '') .. "."
-local binser = require(cwd .. "libs.binser")
+local binser = require("birb.libs.binser")
 
 local TRANSLATION_PATH = "datas/languages/"
 
diff --git a/sonic-radiance.love/birb/scenemanager.lua b/sonic-radiance.love/birb/core/scenemanager.lua
similarity index 100%
rename from sonic-radiance.love/birb/scenemanager.lua
rename to sonic-radiance.love/birb/core/scenemanager.lua
diff --git a/sonic-radiance.love/birb/screen.lua b/sonic-radiance.love/birb/core/screen.lua
similarity index 97%
rename from sonic-radiance.love/birb/screen.lua
rename to sonic-radiance.love/birb/core/screen.lua
index c943b32..16651b9 100644
--- a/sonic-radiance.love/birb/screen.lua
+++ b/sonic-radiance.love/birb/core/screen.lua
@@ -24,8 +24,7 @@
 
 local ScreenManager = Object:extend()
 
-local cwd  = (...):gsub('%.screen$', '') .. "."
-local CScreen = require(cwd .. "libs.cscreen")
+local CScreen = require("birb.libs.cscreen")
 
 -- INIT FUNCTIONS
 -- Initialize and configure the screen manager
diff --git a/sonic-radiance.love/birb/init.lua b/sonic-radiance.love/birb/init.lua
index 5b45336..dd35cec 100644
--- a/sonic-radiance.love/birb/init.lua
+++ b/sonic-radiance.love/birb/init.lua
@@ -1,9 +1,7 @@
--- core/init.lua :: The main file of the core system, an object full of subsystem
--- loaded by the game to handle the main functions (like screen, translation,
--- inputs…)
+-- birb :: The main birb script, loading the core and main utilities
 
 --[[
-  Copyright © 2019 Kazhnuz
+  Copyright © 2021 Kazhnuz
 
   Permission is hereby granted, free of charge, to any person obtaining a copy of
   this software and associated documentation files (the "Software"), to deal in
@@ -23,98 +21,31 @@
   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ]]
 
-local cwd  = (...):gsub('%.init$', '') .. "."
+birb = {}
 
 -- GLOBAL UTILS/FUNCTION LOADING
 -- Load in the global namespace utilities that'll need to be reusable everywhere
 -- in the game
 
-Object  = require(cwd .. "libs.classic")
-utils   = require(cwd .. "utils")
+Object  = require("birb.libs.classic")
+utils   = require("birb.utils")
 
-local CoreSystem = Object:extend()
+birb.Core = require("birb.core")
 
-local DebugSystem   = require(cwd .. "debug")
-
-local Options       = require(cwd .. "options")
-local Input         = require(cwd .. "input")
-local Screen        = require(cwd .. "screen")
-local Lang          = require(cwd .. "lang")
-local SceneManager  = require(cwd .. "scenemanager")
-
-require(cwd .. "callbacks")
-
--- INIT FUNCTIONS
--- Initialize and configure the core object
-
-function CoreSystem:new(DEBUGMODE)
-  self.debug    = DebugSystem(self, DEBUGMODE)
-  self.options  = Options(self)
-  self.input    = Input(self)
-  self.screen   = Screen(self)
-  self.scenemanager = SceneManager(self)
-  self.lang         = Lang(self)
-end
-
-function CoreSystem:registerGameSystem(gamesystem)
-  self.game = gamesystem
-end
-
--- MOUSE FUNCTIONS
--- get directly the mouse when needed
-
-function CoreSystem:mousemoved(x, y, dx, dy)
-  local x, y    = self.screen:project(x, y)
-  local dx, dy  = self.screen:project(dx, dy)
-  self.scenemanager:mousemoved(x, y, dx, dy)
-end
-
-function CoreSystem:mousepressed( x, y, button, istouch )
-  local x, y    = self.screen:project(x, y)
-  self.scenemanager:mousepressed( x, y, button, istouch )
-end
-
--- KEYBOARD FUNCTIONS
--- get directly the keyboard when needed
-
-function CoreSystem:keypressed( key, scancode, isrepeat )
-  self.scenemanager:keypressed( key, scancode, isrepeat )
-end
-
-function CoreSystem:keyreleased( key )
-  self.scenemanager:keyreleased( key )
-end
-
--- UPDATE FUNCTIONS
--- Load every sytem every update functions of the scene and objects
-
-function CoreSystem:update(dt)
-  -- If the frameskip is to high, prefer slowdown to frameskip
-  local dt = math.min(dt, 1/15)
-  self.debug:update(dt)
-  self.input:update(dt)
-
-  if (self.game ~= nil) then
-    self.game:update(dt)
+function birb.start(gamemodule, isDebug)
+  birb.startCore((isDebug == true))
+  if (gamemodule ~= nil) then
+    birb.startGame(gamemodule)
   end
-
-  self.scenemanager:update(dt)
-  self.screen:update(dt)
 end
 
--- DRAW FUNCTIONS
--- Draw the whole game
-
-function CoreSystem:draw()
-  self.scenemanager:draw()
+function birb.startCore(isDebug)
+  core = birb.Core(isDebug)
 end
 
--- EXIT FUNCTIONS
--- Quit the game
-
-function CoreSystem:exit()
-  self.options:save()
-  love.event.quit()
+function birb.startGame(gamemodule)
+  local GameObject = require(gamemodule)
+  game = GameObject()
 end
 
-return CoreSystem
+require("birb.callbacks")
\ No newline at end of file
diff --git a/sonic-radiance.love/main.lua b/sonic-radiance.love/main.lua
index f5ac7e1..9d35653 100644
--- a/sonic-radiance.love/main.lua
+++ b/sonic-radiance.love/main.lua
@@ -21,22 +21,11 @@
   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ]]
 
-local Core    = require "birb"
-local Game    = require "game"
+require "birb"
 
 scenes  = require "scenes"
 
 function love.load()
-  core = Core(true)
-  game = Game()
+  birb.start("game", false)
   scenes.title()
-end
-
-function love.update(dt)
-  core:update(dt)
-  game:update(dt)
-end
-
-function love.draw()
-  core:draw()
 end
\ No newline at end of file