Ninja the Game (Doctor Ron)

The first lessons in class we had to come up with a game idea. My idea was to mak a ninja stealth game. In the end I made somethig simular. In my game: Ninja the game you are a ninja. Your goal is to reach the end of each level. But there are guards who stop you. Fight or sneak behind each guard and get the golden ninja star at the end of each level. There is a menu, a tutorial level and a normal level. There are 4 different pickups: Health (gives the player lives), keys (open stone doors), tuto...