Finish the game, and wait through the credits. There is a bonus level to play called Cake Walk.
Successfully complete mission 5 to end the game. Youwill unlocka hidden game, Mission 6: Operation Cake Walk. Init, you can kill the game's programmers and developers. PressP to play and the girl will have a male voice. The programmerfaces will be floating in the air, on cereal boxes, etc. You canalso kill other strange things like the Red Baron, floating teeth,etc. A girl's voice will say strange things such as "I needa drink".
Press P to pause game play while firing thelaser. The laser must be visible on the screen after the gameis paused. Then, press B, A, B, A(3),B, A, B, A, C, X. Thegame will resume to confirm correct code entry. Note: The codeonly remains active for the current mission.
The following lights on the display actually correspond to real information.
Pause and enter the code: