diff --git a/birb/gamesystem/init.lua b/birb/gamesystem/init.lua
new file mode 100644
index 0000000..aebf3dc
--- /dev/null
+++ b/birb/gamesystem/init.lua
@@ -0,0 +1,102 @@
+-- GameSystem :: The main GameSystem subsystem. Basically a big object that handle all the
+-- GameSystem-related data like characters, monsters, etc. While the core aim to be
+-- reusable at will, the GameSystem is specifically made for the current GameSystem. 
+
+--[[
+  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 Serializer  = require "birb.classes.serializable.serializer" 
+local GameSystem = Serializer:extend()
+
+local VAR_TO_SERIALIZE = {
+    "gametime",
+    "destroyedGizmo",
+    "variables",
+    "flags"
+} 
+
+function GameSystem:new()
+    self.slot = -1
+    self.slotNumber = 3
+    self.version = core.conf.gameversion or "N/A"
+    self:reset()
+    GameSystem.super.new(self, VAR_TO_SERIALIZE)
+end
+
+function GameSystem:reset()
+    self.gametime = 0
+
+    self.flags = {}
+    self.destroyedGizmo = {}
+    self.variables = {}
+    self.mapName = ""
+end
+
+function GameSystem:reload()
+    self:read(self.slot)
+end
+  
+function GameSystem:read(save_id)
+    self.slot = save_id
+    if (self.slot > 0) then
+      self:deserialize(self:getSaveName())
+    end
+end
+  
+function GameSystem:deleteCurrentSave()
+    if (self.slot > 0) then
+      self:delete(self:getSaveName())
+      self.metadata:remove(self.slot)
+    end
+end
+  
+function GameSystem:write()
+    if (self.slot > 0) then
+      self:serialize(self:getSaveName())
+    end
+end
+  
+function GameSystem:getSaveName(saveslot)
+    local saveslot = saveslot or self.slot
+    return "save" .. saveslot .. ".save"
+end
+  
+function GameSystem:resetSaves()
+    for i=1, self.slotNumber do
+      self:delete(self:getSaveName(i))
+    end
+end
+  
+function GameSystem:update(dt)
+    self.gametime = self.gametime + dt
+end
+  
+function GameSystem:getTime()
+    return utils.time.getFields(self.gametime)
+end
+  
+function GameSystem:getTimeString() 
+    return utils.time.toString(self.gametime)
+end
+  
+function GameSystem:printTime()
+    core.debug:print(self:getTimeString())
+end
+
+return GameSystem
\ No newline at end of file
diff --git a/examples/game/init.lua b/examples/game/init.lua
index 27835df..aba2b14 100644
--- a/examples/game/init.lua
+++ b/examples/game/init.lua
@@ -1,4 +1,4 @@
-local GameSystem = require "birb.modules.gamesystem"
+local GameSystem = require "birb.gamesystem"
 local Game = GameSystem:extend()
 
 function Game:new()