Help the Green Samurai defeat all the evil ninja you can before they destroy him. Move fast and jump from platform to platform. Use the arrows to move, A to attack.
Destroy the enemy castle pushing the bombs while they fall while you try to intercept the attacks from your adversary. Use the arrow keys to move and jump.
Help the number ninjas avoid the obstacles and solve the ecuation in each level. When they do it, it will become green and you will be able to move up a level. Use the arrow keys to move, Z for zoom, X to shoot and R to retry.