You can climb on many objects like a real ninja.Be sure to avoid spikes, they can kill you. And remember to raise flags to activate your respawn points.Your ninja sword is your only weapon so use it well and kill all bad ninjas that be on your way. Play with your friends and in that way you will have even more fun playing this Ninja Spirit game and compete with each other on who is the best ninja fighter. Instructions: Arrow keys to move. Spacebar to jump. Z to attack. X to defend.