Cheats for Mars Rising (MAC)
Hold [Option] and select the one or two player selection at the title screen. Note: High scores will be disabled.
Set the Macintosh system date to December 25 and begin game play.
Set the Macintosh system date to January 20 and begin game play. The game will wish Dave Wareing a happy birthday. Look in the box that flashes the "Please Register" reminder. It will eventually say "Happy Birthday David".