Nitro Ninjas description:
Race through an urban jungle with your kitana in hand, gathering up as many shuriken as you can. Perform stunts for bonus points, and make it across the finish line before the timer runs out, or you'll lose a life!.
Arrow keys Up/Down - To accelerate/reverse
Arrow keys Left/Right - To lean back/forward.
Space bar - To jump.
1-4 - Special Stunts.