diff --git a/assets/sprites/ghost.ppm b/assets/sprites/ghost_down.ppm
similarity index 100%
rename from assets/sprites/ghost.ppm
rename to assets/sprites/ghost_down.ppm
diff --git a/assets/sprites/ghost_left.ppm b/assets/sprites/ghost_left.ppm
new file mode 100644
index 0000000..d6db566
Binary files /dev/null and b/assets/sprites/ghost_left.ppm differ
diff --git a/assets/sprites/ghost_right.ppm b/assets/sprites/ghost_right.ppm
new file mode 100644
index 0000000..7aa97d2
Binary files /dev/null and b/assets/sprites/ghost_right.ppm differ
diff --git a/assets/sprites/ghost_up.ppm b/assets/sprites/ghost_up.ppm
new file mode 100644
index 0000000..cbc2c1c
Binary files /dev/null and b/assets/sprites/ghost_up.ppm differ
diff --git a/assets/sprites/robot.ppm b/assets/sprites/robot_down.ppm
similarity index 100%
rename from assets/sprites/robot.ppm
rename to assets/sprites/robot_down.ppm
diff --git a/assets/sprites/robot_left.ppm b/assets/sprites/robot_left.ppm
new file mode 100644
index 0000000..fa5ee21
Binary files /dev/null and b/assets/sprites/robot_left.ppm differ
diff --git a/assets/sprites/robot_right.ppm b/assets/sprites/robot_right.ppm
new file mode 100644
index 0000000..ca9632f
Binary files /dev/null and b/assets/sprites/robot_right.ppm differ
diff --git a/assets/sprites/robot_up.ppm b/assets/sprites/robot_up.ppm
new file mode 100644
index 0000000..0d24e03
Binary files /dev/null and b/assets/sprites/robot_up.ppm differ
diff --git a/build.ts b/build.ts
index 3f1b4b5..62124e4 100755
--- a/build.ts
+++ b/build.ts
@@ -54,8 +54,8 @@ const spritesPath = {
   "sprite_wall_end": "assets/sprites/wall_end.ppm",
   "sprite_wall_straight": "assets/sprites/wall_straight.ppm",
   "sprite_wall_corner": "assets/sprites/wall_corner.ppm",
-  "sprite_robot": "assets/sprites/robot.ppm",
-  "sprite_ghost": "assets/sprites/ghost.ppm",
+  "sprite_robot": "assets/sprites/robot_down.ppm",
+  "sprite_ghost": "assets/sprites/ghost_down.ppm",
   "sprite_coin": "assets/sprites/coin.ppm",
 };