Shuriken Challenge: This is a simple and classic 2D style game with beat em-up elements. The object of the game is to kill all the ninja's with your sharp metal stars. But be careful! avoid the fireball or it's game over. Check out the voice of the Ninja when he gets killed....Let's see what high belt can you get! Instruction (how to game, Shuriken Challenge walkthrough): Control Ninja = Use Mouse Throw Star = Use Mouse (left click button). Shuriken Challenge is under categories.