diff --git a/asset/music/bgm.wav b/asset/music/bgm.wav
index 85fbd6c..f65ea6f 100644
Binary files a/asset/music/bgm.wav and b/asset/music/bgm.wav differ
diff --git a/asset/sounds/eat_bad_food.mp3 b/asset/sounds/eat_bad_food.mp3
new file mode 100644
index 0000000..00682a0
Binary files /dev/null and b/asset/sounds/eat_bad_food.mp3 differ
diff --git a/asset/sounds/eat_good_food.mp3 b/asset/sounds/eat_good_food.mp3
new file mode 100644
index 0000000..b72f2a0
Binary files /dev/null and b/asset/sounds/eat_good_food.mp3 differ
diff --git a/asset/sounds/fail.mp3 b/asset/sounds/fail.mp3
new file mode 100644
index 0000000..88fd93b
Binary files /dev/null and b/asset/sounds/fail.mp3 differ
diff --git a/asset/sounds/lv_down.mp3 b/asset/sounds/lv_down.mp3
new file mode 100644
index 0000000..5c0ae6b
Binary files /dev/null and b/asset/sounds/lv_down.mp3 differ
diff --git a/asset/sounds/lv_up.mp3 b/asset/sounds/lv_up.mp3
new file mode 100644
index 0000000..6b8d1ea
Binary files /dev/null and b/asset/sounds/lv_up.mp3 differ
diff --git a/asset/sounds/pass.mp3 b/asset/sounds/pass.mp3
new file mode 100644
index 0000000..9d814a7
Binary files /dev/null and b/asset/sounds/pass.mp3 differ
diff --git a/src/game.py b/src/game.py
index 69dbba3..91561a8 100644
--- a/src/game.py
+++ b/src/game.py
@@ -185,7 +185,8 @@ class EasyGame(PaiaGame):
         if self.is_passed:
             self._level += 1
             self.sound_controller.play_cheer()
-
+        else:
+            self.sound_controller.play_fail()
         self._init_game()
 
 
diff --git a/src/sound_controller.py b/src/sound_controller.py
index f755ed3..4bdc1a6 100644
--- a/src/sound_controller.py
+++ b/src/sound_controller.py
@@ -22,11 +22,12 @@ class SoundController():
             pygame.mixer.init()
             pygame.mixer.music.load(path.join(MUSIC_PATH, "bgm.wav"))
             pygame.mixer.music.set_volume(0.6)
-            self._eating_good = pygame.mixer.Sound(path.join(SOUND_PATH, "Coin.wav"))
-            self._eating_bad = pygame.mixer.Sound(path.join(SOUND_PATH, "Low Boing.wav"))
-            self._cheer = pygame.mixer.Sound(path.join(SOUND_PATH, "Cheer.wav"))
-            self._lv_up = pygame.mixer.Sound(path.join(SOUND_PATH, "lv_up.wav"))
-            self._lv_down = pygame.mixer.Sound(path.join(SOUND_PATH, "lv_down.wav"))
+            self._eating_good = pygame.mixer.Sound(path.join(SOUND_PATH, "eat_good_food.mp3"))
+            self._eating_bad = pygame.mixer.Sound(path.join(SOUND_PATH, "eat_bad_food.mp3"))
+            self._pass = pygame.mixer.Sound(path.join(SOUND_PATH, "pass.mp3"))
+            self._fail = pygame.mixer.Sound(path.join(SOUND_PATH, "fail.mp3"))
+            self._lv_up = pygame.mixer.Sound(path.join(SOUND_PATH, "lv_up.mp3"))
+            self._lv_down = pygame.mixer.Sound(path.join(SOUND_PATH, "lv_down.mp3"))
         except Exception:
             self._is_sound_on = False
 
@@ -43,9 +44,12 @@ class SoundController():
         self._eating_bad.play()
     @sound_enabled
     def play_cheer(self):
-        self._cheer.play()
+        self._pass.play()
 
     @sound_enabled
+    def play_fail(self):
+        self._fail.play()
+    @sound_enabled
     def play_lv_up(self):
         self._lv_up.play()