Vigilante 8 Cheats (PlayStation)

Get extra weapons and vehicles when you do a 360 with the vehicle you have.

Enter these codes at the password screen:
  Monster Wheels-big wheels
  I will not die-invincibility
  Deadly missles-homings are more powerful
  wmnnwlhtscuclh-all characters and stages 
  Hardest of all-Hi octane 
  Go sightseeing-no enemies 
  Reduce gravity-low gravity 
  See all movies-see all movies

Choose "Options" from the main menu, then select "Game Status," press O to call up the
passcode menu, then enter any of the following cheat codes:
  WMNNWLHTSCUCLH-Unlock all secret characters and levels
  MONSTER_WHEELS-Wheels are double size
  SAME_CHARACTER-In two-player mode, both characters can use the same vehicle
  REDUCE_GRAVITY-Less gravity
  GO_SIGHTSEEING-No enimies in Arcade mode
  I_WILL_NOT_DIE-Invincibility
  HARDEST_OF_ALL-More difficult enimies 
  DEADLY_MISSLE-Enimies start with secondary weapons