View Dopefish
Perform the following actions to view the Dopefish, a creature from Commander Keen. Start a single player race, but do not move when the race begins. Hold Brake and turn left to turn around. Keep the lion that starts the race on screen until the Dopefish appears.

Character and level select
Begin a game and select any character. Select "Amateur" level, a six lap race, any engine, and start the "Bronze Wheels" race. Then, quit and save the game after the race begins. Allow the demonstration mode to start. Stop the demo when the desired character or race is displayed. Restore the game that was saved to resume with that character and race.

Cheat Codes
Start the game with one of the following command line parameters to activate the corresponding cheat function: