Use the arrow keys or WASD to move and flip around in the air! You can fly! > Jump around taking out enemies with your katana! > Don't let them shoot you with their throwing knives! > You can land on your head, it's fine > Press Space to throw lots of shurikens! > See how many ninjas you can defeat before they defeat you! > There is a space where the Ninjas can still get you through... try to find it! > Yes, you have a force field. And yes, it is not impenetrable.
Mostly not mine. But I added a few things...
