diff --git a/robotgame/level2.py b/robotgame/level2.py
index c429d9e..208c963 100644
--- a/robotgame/level2.py
+++ b/robotgame/level2.py
@@ -23,7 +23,7 @@ class Level2(level.Level):
         for i in range(self.dimensions[0]):
             for j in range(self.dimensions[1]):
                 self.tiles.append(
-                    tile.Tile(self, i*64, j*48, self.imgs['ground1']))
+                    tile.Tile(self, i*64, (j + 1)*48, self.imgs['indoor%d' % random.randint(1, 6)]))
 
         self.draw_background()
 
diff --git a/robotgame/level3.py b/robotgame/level3.py
index dfbfca8..fc3c136 100644
--- a/robotgame/level3.py
+++ b/robotgame/level3.py
@@ -70,7 +70,7 @@ class Level3(level.Level):
         for box, (x, y) in zip(boxes, itertools.product(range(7), range(6))):
             self.tiles.append(tile.Tile(self, 64 * (x + task_start[0] + 1),
                                         48 * (y + task_start[1] + 1),
-                                        self.imgs['ground1']))
+                                        self.imgs['indoor%d' % random.randint(1, 6)]))
             pos_colour[(x, y)] = box
 
         self.draw_background()
diff --git a/robotgame/level_bonus.py b/robotgame/level_bonus.py
index b7c82b8..31a06e8 100644
--- a/robotgame/level_bonus.py
+++ b/robotgame/level_bonus.py
@@ -49,7 +49,7 @@ class Level(level.Level):
         for i in range(self.dimensions[0]):
             for j in range(self.dimensions[1]):
                 self.tiles.append(
-                    tile.Tile(self, i*64, j*48, self.imgs['ground1']))
+                    tile.Tile(self, (i+1)*64, j*48, self.imgs['indoor%d' % random.randint(1, 6)]))
 
         self.draw_background()