Go to the church and keep press Y until the "Extras" option is selectable. Then, choose the "Cheats" option and enter one of the following passwords. Note: All codes except for the "Smash Points" require that you first find the comic that unlock that particular cheat before it can be enabled.
Unlimited Health
Enter HEALTHY as a password.
Double damage from Hulk
Enter DESTROY as a password.
Black and white graphics
Enter RETRO as a password.
Double health power-up values
Enter BRINGIT as a password.
Canadian flag shorts
Enter OCANADA as a password.
Sepia tone graphics
Enter HISTORY as a password.
Australian flag shorts
Enter AUSSIE as a password.
German flag shorts
Enter DEUTSCH as a password. The comic coin can be found in the city level.
French Flag shorts
Enter DRAPEAU as a password.
Italian flag shorts
Enter MUTANDA as a password.
Japanese flag shorts
Enter FURAGGU as a password.
U.K. flag shorts
Enter FSHNCHP as a password. The comic coin can be found in the city level.
Spanish flag shorts
Enter BANDERA as a password. The comic coin can be found in the city level.
U.K. flag shorts
Enter FSHNCHP as a password. The comic coin can be found in the city level.
U.S. flag shorts
Enter AMERICA as a password. The comic coin can be found on the first level on a bridge in the city.
Joe Fixit (Gray Hulk) skin
Enter SUITFIT as a password.
Gray Hulk without suit skin
Enter CLASSIC as a password. Note: All comics must be found.
All vehicles are taxis
Enter CABBIES as a password.
All vehicles are buses
Enter TRANSIT as a code.
Aggressive Traffic
Enter FROGGIE as a password. This doubles the speed of traffic and removes the veer functionality so that it is more aggressive.
Low Gravity
Enter PILLOWS as a password.
The Abomination skin
Enter VILLAIN as a password.
Aggressive Traffic
Enter FROGGIE as a password. This doubles the speed of traffic and removes the veer functionality so that it is more aggressive.
Big blue gorilla balloons
Enter KINGKNG as a password.
Cow Missiles
Enter CHZGUN as a password to replace all missiles in the Outskirts with cows.
Cheats submited by Rave246 on October 13, 2996