normal pong, but you can choose betwin 1,2 and 4 pads. you have two settings on how fast the ball moves and a mirror mode.
you use your mouse.
http://scratch.mit.edu/projects/tikktokk/1226787
Vigenère cipher, the unbreakable code system! so strong not even the strongest computer can break it! you can mail people secrets you dont want other to know! and all this here!