Drop from a ledge, and just as you begin to drop, shoot straight down. As the falling Keen reaches the shot, he will suddenly stand on it, like its a ledge or elevator, but you will still be ...

Enter the Level Warp Code (F10 + W) during play to be prompted to enter one of the following numbers to instantly transport to its corresponding level. Levels 6, 8, 11, and 13 have no names, are ...