Use the arrow keys or WASD to move through the game. Use left and right or A and D to run. Press up or W to jump up. Click with the mouse to throw a ninja star to kill enemies. Click and hold to shoot out a rope you can swing from and climb up with. When hanging from the rope, use up or W to climb up, and down or S to climb down. Use the left and right or A and D to swing each way. You will automatically jump up when you get to the top of your rope. Use this ability to climb up ledges and tall buildings. Press towards a wall when falling to begin a wall slide. Then press away from the wall to do a wall jump. Hold the down arrow key or S to enter stealth mode. Use your invisibility to sneak past enemies and trip wires. You cannot stealth while the alarm is active or when hurt.