diff --git a/assets/text/turn/blue.png b/assets/text/turn/blue.png
new file mode 100644
index 0000000..7bdd636
Binary files /dev/null and b/assets/text/turn/blue.png differ
diff --git a/assets/text/turn/pink.png b/assets/text/turn/pink.png
new file mode 100644
index 0000000..2f6e181
Binary files /dev/null and b/assets/text/turn/pink.png differ
diff --git a/game.lua b/game.lua
index 62e3df1..94edad8 100644
--- a/game.lua
+++ b/game.lua
@@ -5,6 +5,7 @@ local insert = table.insert
 function Game:reinit()
 	self.gameloop = {}
 	self.objects = {}
+	self.scenes = require "scenes"
 	self.objects.base = require "objects/base"
 	self.objects.grid = require "objects/grid"
 	self.objects.circle = require "objects/circle"
diff --git a/main.lua b/main.lua
index 5864f25..86578d1 100644
--- a/main.lua
+++ b/main.lua
@@ -10,7 +10,7 @@ if game.OS == "Android" or game.OS == "iOS" then game.OSTYPE = "Mobile" end
 lg = love.graphics
 
 
-if game.OSTYPE=="PC" then push = require "lib/push" end
+if game.OS~="Horizon" then push = require "lib/push" end
 
 function love.load()
 	lg.setBackgroundColor(31/255,14/255,28/255)
@@ -29,11 +29,8 @@ function love.load()
 		push:setupScreen(game.WIDTH, game.HEIGHT, w, h, {fullscreen = true,resizable = res, pixelperfect = true})
 		push:setBorderColor(0.161,0.157, 0.192,1)
 	end
-	local cellsize = 44
-	local x = (game.WIDTH-cellsize*5)/2
-	local y = (game.HEIGHT-cellsize*5)/2
-	local grid = game.objects.grid:new(game,x,y,cellsize)
-	game:summon(grid)
+
+	game.scenes:main(game)
 end
 
 function love.draw(screen)
diff --git a/objects/circle.lua b/objects/circle.lua
index 5e01c92..4112b8f 100644
--- a/objects/circle.lua
+++ b/objects/circle.lua
@@ -12,7 +12,18 @@ function gen:new(game,x,y,color,grid)
 	Circle:register(color)
 	Circle.selected = false
 
-	function Circle:step(dt) end
+	function Circle:step(dt)
+		if self.color=="neutron" and self:isMyTurn()then
+			if not self.selected then
+				self.moves = self:findAvailableMoves()
+				self.selected = true
+			end
+		end
+	end
+
+	function Circle:isMyTurn()
+		return self.color=="pink" and self.grid.turn==1 or self.color=="blue" and self.grid.turn==3 or self.color=="neutron" and self.grid.turn%2==0
+	end
 
 	function Circle:draw()
 		local spriteindex = 1
@@ -27,7 +38,7 @@ function gen:new(game,x,y,color,grid)
 	end
 
 	function Circle:MouseCallback(x,y,presses)
-		if self.rect:collidepoint(x,y) then
+		if self.rect:collidepoint(x,y) and self:isMyTurn() then
 			local c = self.game:findName("Circle")
 			local i
 			for i=1,#c do
@@ -47,6 +58,7 @@ function gen:new(game,x,y,color,grid)
 				if rect:collidepoint(x,y) then
 					self.rect:move_ip(self.moves[i][1],self.moves[i][2])
 					self.selected = false
+					self.grid:addturn()
 					break
 				end
 			end
@@ -77,8 +89,8 @@ function gen:new(game,x,y,color,grid)
 		for movx=-1,1 do
 			for movy=-1,1 do
 				if not (movx==0 and movy==0) then
-					offx = movx*self.cellsize
-					offy = movy*self.cellsize
+					offx = 0
+					offy = 0
 					while ValidMove(offx+movx*self.cellsize,offy+movy*self.cellsize) do
 						offx = offx + movx*self.cellsize
 						offy = offy + movy*self.cellsize
diff --git a/objects/grid.lua b/objects/grid.lua
index 5c4afc8..71dfca3 100644
--- a/objects/grid.lua
+++ b/objects/grid.lua
@@ -5,8 +5,11 @@ function gridgen:new(game,x,y,cellsize)
 	local Grid = game.objects.base:new(game,x,y,cellsize*5,cellsize*5)
 	Grid.cellsize = cellsize
 	Grid.sprites = {game:newImage("grid/tile.png"),game:newImage("grid/pink.png"),game:newImage("grid/blue.png")}
+	Grid.pinkturn = game:newImage("text/turn/pink.png")
+	Grid.blueturn = game:newImage("text/turn/blue.png")
 	Grid:register("Grid")
 	Grid.depth = -1
+	Grid.turn= 2
 
 	-- Spawn circles
 	local i
@@ -20,8 +23,47 @@ function gridgen:new(game,x,y,cellsize)
 	local neutron = game.objects.circle:new(game,x+2*cellsize,y+2*cellsize,"neutron",Grid)
 	game:summon(neutron)
 
-	function Grid:step(dt) end
+	function Grid:step(dt)
+		-- Check if the neutron is on one side or the other
+		local obj = self.game:findName("neutron")
+		local i
+		local winner = "None"
+		for i=1,#obj do
+			if obj[i].rect.y==self.rect.y then winner = "pink" end
+			if obj[i].rect.y+obj[i].rect.h==self.rect.y+self.rect.h then winner = "blue" end
+		end
+		if winner~="None" then
+			self:endgame(winner)
+		end
+	end
 
+	function Grid:addturn()
+		self.turn = self.turn + 1
+		self.turn = self.turn%4
+		-- Check if a move can be made
+		local color = "blue"
+		if self.turn%2==1 then
+			if self.turn==1 then color = "pink" end
+		else
+			color = "neutron"
+		end
+		local count = 0
+		local i
+		local obj = self.game:findName(color)
+		for i=1,#obj do
+			count = count + #obj[i]:findAvailableMoves()		
+		end
+		if count==0 then
+			local win = "blue"
+			if self.turn < 2 then win = "pink" end
+			self:endgame(win)
+		end
+	end
+
+	function Grid:endgame(winner)
+		print(winner.." won !")
+		self.game.scenes:main(self.game)
+	end
 
 	function Grid:draw()
 		local y
@@ -34,6 +76,14 @@ function gridgen:new(game,x,y,cellsize)
 				lg.draw(self.sprites[spriteindex],self.rect[1]-self.game.camerax-self.spriteoffx+(x-1)*self.cellsize,self.rect[2]-self.game.cameray-self.spriteoffy+(y-1)*self.cellsize)
 			end
 		end
+
+		if self.turn<2 then
+			-- Draw "pink's turn"
+			lg.draw(self.pinkturn,(self.game.WIDTH-self.pinkturn:getWidth())/2,0)
+		else
+			-- Draw "Blue's turn"
+			lg.draw(self.blueturn,(self.game.WIDTH-self.blueturn:getWidth())/2,self.game.HEIGHT-self.blueturn:getHeight())
+		end
 	end
 
 	return Grid
diff --git a/scenes.lua b/scenes.lua
new file mode 100644
index 0000000..eaaa169
--- /dev/null
+++ b/scenes.lua
@@ -0,0 +1,12 @@
+local scenes = {}
+
+function scenes:main(game)
+	game.gameloop = {}
+	local cellsize = 44
+	local x = (game.WIDTH-cellsize*5)/2
+	local y = (game.HEIGHT-cellsize*5)/2
+	local grid = game.objects.grid:new(game,x,y,cellsize)
+	game:summon(grid)
+end
+
+return scenes
diff --git a/ù b/ù
deleted file mode 100644
index 5db633c..0000000
--- a/ù
+++ /dev/null
@@ -1,29 +0,0 @@
-local gen= {}
-
-function gen:new(game,x,y,color,grid)
-
-	local Circle = game.objects.base:new(game,x,y,grid.cellsize,grid.cellsize)
-	Circle.cellsize = grid.cellsize
-	Circle.grid = grid
-	Circle.shadowsprite = game:newImage("circles/shadow.png")
-	Circle.sprites = {game:newImage("circles/regular/"..color..".png"),game:newImage("circles/selected/"..color..".png")}
-	Circle:register("Circle")
-	Circle:register(color)
-	Circle.selected = false
-
-	function Circle:step(dt) end
-
-	function Circle:draw()
-		local spriteindex = 1
-		if self.selected then spriteindex = 2 end
-		lg.draw(self.sprites[spriteindex],self.rect[1]-self.game.camerax-self.spriteoffx,self.rect[2]-self.game.cameray-self.spriteoffy)
-	end
-
-	function Circle:MouseCallback(x,y,presses)
-
-	end
-
-	return Circle
-end
-
-return gen