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.
You have the following start parameters for cheating:
/TURBO -- Turbo mode; press BREAK and FIRE to accelerate the car
/JUMP -- Jumpp; press BREAK and ACCELERATE to make the car jump
/HOG -- 99 hogs
/ICE -- 99 ice
/FIRE -- 99 fire balls
/NOW -- Skip intro
/KID -- Kid mode
/2 od. /3 -- Double or triple speed
/DEBUG -- Create a ERR.LOG file as you play
You are able to combine the cheats e.g. WW.EXE FIRE /3 will make the car have 99 fire balls and go with triple speed.
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.