Cheat: "Get Out of Jail Free" card
Press [Delete] at character selection screen. Then enter "SUCKMYROCKET" to get prison pass, all armor and weapons. (The sound of a revving engine confirms correct entry.)

Cheat: 10x multiplier
Press [Delete] at character selection screen. Then enter "HATE MACHINE" or "HEART OF GOLD". (The sound of a revving engine confirms correct entry.)

Cheat: 9,999,999 points
Press [Delete] at character selection screen. Then enter "ITCOULDBEYOU". (The sound of a revving engine confirms correct entry.)

Cheat: All levels and cities
Press [Delete] at character selection screen. Then enter "ITSGALLUS", "NINEINAROW" or "SUPER WELL". (The sound of a revving engine confirms correct entry.)

Cheat: All weapons
Press [Delete] at character selection screen. Then enter "BUCKFAST" or "CALLMENIGEL". Press the keyboard asterisk [*] for all weapons; press a second time for all ammo. (The sound of a revving engine confirms correct entry.)