Use the following codes during the gameplay:
Get Flame Thrower: wotatwatami
Disable pedestrian AI: lemmingize
Finish race: smartbastard
Free repairs: tingting
Panicked pedestrians: mrmainwaring
Pinball mode: tilty
Tank Mode: iwanabelikeatank
Timer reversed: stiffspasms
Fast pedestrians: fastbast
Credit bonus: wetwet
Hot rod: cintonco
Lunar gravity: mooningminnie
Mutant tail: bigdangle
Toggle timer: stopsnatch
Underwater capability: watersport
Wall Climber: stickytyres
Peds with stupid heads: goodhead
Drunk Driving: eveninggoccifer
Time Bonus: timmytitty