You will be a Ninja to combat crime in the dark of night. You will enter enemy territory to kill every enemy forces. Move quickly and carefully to kill enemy troops. Use shuriken if you're desperate, it can attack enemies with frightening. Attack your enemies with the sword relentlessly to prove the sharpness of your samurai. Use the arrow keys to move your ninja, Space Bar to attack, X to use shuriken. Complete all missions there. If you've completed a mission then you will get the book quest to continue the quest. Let you be able to defeat all of your enemies.