Hold down the command,shift,ctrl and option keys and triple
click between the "rapid fire" and "shut down other
applications" buttons while in the "Game options" window.
This will enable "Yodas Power Mode." During the game the
keys 1-9 above the keyboard and a-f enable you to skip
levels, esc key lets you skip level by level and the "+"
key on the numeric keypad repairs your damage.