diff --git a/v5/desktop.py b/v5/desktop.py
index 7172dff..817bae9 100644
--- a/v5/desktop.py
+++ b/v5/desktop.py
@@ -15,3 +15,22 @@ def desktop_loadTextures(p):
   #}
   p.textures = texs
 #}
+
+def desktop_createDeselectedTiles(p):
+  for (id, pos) in enumerate(p.c.tilePositions):
+    tile = arcade.AnimatedTimeBasedSprite()
+    p.deselectedTiles.append(tile)
+    p.sprites.append(tile)
+
+    tile.guid = id
+    tile.texture = p.textures[0]
+    # Animation between two textures.
+    a1 = arcade.sprite.AnimationKeyframe(0, 700, p.textures[0])
+    a2 = arcade.sprite.AnimationKeyframe(1, 700, p.textures[1])
+    tile.frames.append(a1)
+    tile.frames.append(a2)
+    # Position.
+    tile.left = pos[0]
+    tile.top = pos[1]
+  #}
+#}
diff --git a/v5/desktop_Platform.py b/v5/desktop_Platform.py
index 327f55a..4d7b035 100644
--- a/v5/desktop_Platform.py
+++ b/v5/desktop_Platform.py
@@ -3,5 +3,6 @@ import arcade
 class desktop_Platform:
   def __init__(self):
     self.c = None
+    self.deselectedTiles = []
     self.sprites = arcade.SpriteList()
     self.textures = []
diff --git a/v5/desktop_Window.py b/v5/desktop_Window.py
index 238f08e..4bf4c77 100644
--- a/v5/desktop_Window.py
+++ b/v5/desktop_Window.py
@@ -17,6 +17,9 @@ class desktop_Window(arcade.Window):
 
   def on_mouse_press(self, x, y, button, key_modifiers):
     print("click", x, y)
+    sprites = arcade.get_sprites_at_point([x, y], self.p.sprites)
+    id = sprites[0].guid
+    print("selected id: ", id)
 
   def on_update(self, delta):
-    pass
+    self.p.sprites.update_animation()
diff --git a/v5/gui.py b/v5/gui.py
index dc7e8d5..1d939f5 100644
--- a/v5/gui.py
+++ b/v5/gui.py
@@ -68,16 +68,15 @@ def gui_generateTilePositions(
   heightInCells = c.windowHeight / c.cellSize
   positions = gui_aux_cellPositions(c.playfieldSize)
 
-  poss = []
+  ps = []
   for i in range(0, len(positions)):
     p = positions[i]
-    pos = [p[0] * c.cellSize, p[1] * c.cellSize]
-    poss.append(pos)
+    x = p[0] * c.cellSize
+    y = c.windowHeight - p[1] * c.cellSize
+    ps.append([x, y])
   #}
-  #tile.center_x = CELL * 2 + p[0] * CELL
-  #tile.center_y = HEIGHT - CELL * 2 - p[1] * CELL
 
-  c.tilePositions = poss
+  c.tilePositions = ps
   c.recentField = "tilePositions"
   return c
 #}
diff --git a/v5/main-gui.py b/v5/main-gui.py
index 194cc47..f2edeff 100644
--- a/v5/main-gui.py
+++ b/v5/main-gui.py
@@ -101,6 +101,7 @@ ctrl.set("windowBackgroundColor", "#ffffff")
 ctrl.set("windowTitle", "OGS Memory")
 
 desktop_loadTextures(p)
+desktop_createDeselectedTiles(p)
 
 wnd = desktop_Window(p)
 arcade.run()