Hit the ''L'' key at the menu screen to bring up a cheat menu, allowing you to select the number of lives, the wave number up to 40, and Turbofunk, or fast motion.
Set Macintosh system date to December 25 to display Christmas ornaments on the title screen.
Press X at the main screen to view lyrics from a Red Hot Chili Peppers song.
Press L at the main screen to display a menu that allows you to choose the starting wave, number of lives and Turbofunk option. (Note: enabling cheat disables high score.)
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