Move with the left and right arrow keys. Press the up arrow key to jump. If you are in front of a building, tree, or box, press the up arrow button again while in mid-air to double jump. Press Space Bar to release a fast sequence of attacks. In front of building, tree, or box, you can press Space Bar while in mid-air to execute an aerial attack. Make sure you don't get hit first, or you won't be able to attack while stunned.