diff --git a/squirrelbattle/tests/game_test.py b/squirrelbattle/tests/game_test.py
index 750335f..40a2331 100644
--- a/squirrelbattle/tests/game_test.py
+++ b/squirrelbattle/tests/game_test.py
@@ -585,3 +585,14 @@ class TestGame(unittest.TestCase):
         # Exit the menu
         self.game.handle_key_pressed(KeyValues.SPACE)
         self.assertEqual(self.game.state, GameMode.PLAY)
+
+    def test_credits(self) -> None:
+        """
+        Load credits menu.
+        """
+        self.game.state = GameMode.MAINMENU
+
+        self.game.display_actions(DisplayActions.MOUSE, 41, 41)
+        self.assertEqual(self.game.state, GameMode.CREDITS)
+        self.game.display_actions(DisplayActions.MOUSE, 21, 21)
+        self.game.display_actions(DisplayActions.REFRESH)
diff --git a/squirrelbattle/tests/screen.py b/squirrelbattle/tests/screen.py
index 9a8afe6..549fdc1 100644
--- a/squirrelbattle/tests/screen.py
+++ b/squirrelbattle/tests/screen.py
@@ -24,3 +24,6 @@ class FakePad:
 
     def getmaxyx(self) -> Tuple[int, int]:
         return 42, 42
+
+    def inch(self, y, x) -> str:
+        return "i"