Controls: - Arrow keys and WASD to move - Space bar to throw ninja stars and use sword - Z or M to change your weapon (after you've unlocked them) -B for boss battle For boss battles, it is recommended to press numbers to use any weapon faster. There is a bug in the battle that after the explosion the ninja got stuck in the block, press c to get out. It is not recommended to use spears, as you can get stuck in them and they do not damage the boss.