diff --git a/src/tests/kits/opengl/glut/game_mode/game_mode.c b/src/tests/kits/opengl/glut/game_mode/game_mode.c
index 1792702e2e..e37588bf5a 100644
--- a/src/tests/kits/opengl/glut/game_mode/game_mode.c
+++ b/src/tests/kits/opengl/glut/game_mode/game_mode.c
@@ -139,6 +139,16 @@ keyboard(unsigned char key, int x, int y)
 				init();
 			break;
 		}
+
+		case 'l':
+		case 'L': {
+			// return to default window
+			glutLeaveGameMode();
+			if (!glutGetWindow())
+				// exit if none
+				exit(0);
+			break;
+		}
 	}
 }