Vigilante 8

All cars:
Enter GANGS_UNLOCKED as a password for all cars. Note: This does not unlock the UFO.

Y The Alien:
Enter GIMME_DA_ALIEN as a password. This character is normally unlocked after completing quest mode using all other characters.

All characters and levels:
Enter JTBT7CFD1LRMGW as a password.

Same vehicle in multi-player mode:
Enter MIX_MATCH_CARS as a password.

Ultra-high resolution mode:
Enter MAX_RESOLUTION as a password. Note: This code requires the memory expansion pak.

Interceptor Missile power-up:
Enter MISSILE_ATTACK as a password.

Invincibility:
Enter LIVING_FOREVER as a password.

Quick firing weapons:
Enter FIRE_NO_LIMITS as a password. Note: This does not effect the machine gun.

Low gravity:
Enter A_MOON_GETAWAY as a password.

No enemies:
Enter POPULATION_OUT as a password.

Slow motion mode:
Enter GO_REALLY_SLOW as a password.

Expert mode:
Enter I_AM_TOUGH_GUY as a password.

Level select:
Enter LEVEL_SHORTCUT as a password.

View ending sequences:
Enter LONG_SLIDESHOW as a password. View any character's ending to see all the game's endings in sequence.

Super Dreamland 64 level:
Enter DDDDDDDDDDDDDD as a password.

Special weapons:
Enter the following actions during game play to active the special attack of the indicated weapon. Note: The required weapon must be in the inventory, but does not need to be currently active.
Information in this section was contributed by Aquaman.

Interceptor Missiles (Halo Decoy), uses 2 missiles
Press Up(2), Down then shoot the machine gun to cause your opponent's homing missiles or special attacks to follow your missiles instead of your vehicle.

Interceptor Missiles (Turbo), uses 2 missiles
Press Up(3) then shoot the machine gun to speed up for a few seconds.

Bull's Eye Rockets (Stampede), uses 1-5 rockets
Press Up, Down, Up then shoot the machine gun to rapidly fire multiple non-homing rockets.

Bull's Eye Rockets (Boost Rocket), uses 2 rockets
Press Up, Down, Down, then shoot the machine gun. If an opponent is hit, he or she is taken for a sky ride.

Sky Hammer Mortar (Turtle Turnover), uses 2 shells
Press Down(3) then shoot the machine gun to flip your opponents' vehicles.

Sky Hammer Mortar (Crater Maker), uses 5 shells
Press Down(2), Up, then shoot the machine gun to drop a mega bomb that will leave a crater.

Bruiser Cannon (Cow Puncher), uses 2 shells
Press Down, Up, Down then shoot the machine gun to punch opponent vehicles back.

Bruiser Cannon (Scatter Blast), uses six shells
Press Down, Up(2), then shoot the machine gun to shoot six cannon shells simultaneously.

Roadkill Mines (Cactus Patch), uses 1-6 mines
Press Left, Right, Up then shoot the machine gun to rapidly deploy a group of mines.

Roadkill Mines (Magnetic Mine), uses two mines
Press Left, Right, Down, then shoot the machine gun to drop a mine that will attract nearby cars.

Hint: Control the blimp:
Drive around the blimp in Casino City. Drive inside when the back door opens to steer the blimp around the level.

Hint: Shoot even faster:
Enable the "Quick firing weapons" code, then go to controls and get two or more fire buttons. This will allow you to fire even faster.
Information in this section was contributed by Jdm1son.

Hint: Destroying enemies with Dave:
Enable the "Quick firing weapons" code, get Dave's special and press R multiple times. Up to 1,000 invasions can appear to destroy the enemy. Note: This trick may freeze the game.
Information in this section was contributed by GDck.

Hint: Destroying enemies with Molo:
If you are having problems with Striders or any other small cars, select Molo. You can ram Striders with one small push and they will explode. Note: Sometimes you will have to push them a little bit more.
Information in this section was contributed by Jesse B.

Hint: Secret warheads at Secret Base:
This is a hidden weapon you can use an infinite number of times to kill your opponent. First, go past the laser area where the satellites and a building are located. Break the glass with your machine gun on both sides of the building so you can drive through. Drive through the building and you should hear a click. Keep driving in the direction you are traveling and you reach a squared area with a round object in the middle. Drive around the round object, and under a pole with red and green lights on it. This should launch a huge warhead out of the round object. You can keep doing this as long as the building you drive through is not destroyed. You must drive through the building each time you want to activate the warheads.
Information in this section was contributed by Brad Brake.

Hint: Catch a lift at Ski Resort:
Go to the Ski Resort level. You can catch a lift on the ski lift by driving into the stall containing the ski lift cart.
Information in this section was contributed by K Johnson.

Glitch: Slow and frozen game:
Enable the "Quick firing weapons" code and get the homing missile weapons. Keep firing at an opponent and the game will begin to slow down and possibly freeze. Note: If the game freezes, you will have reset it.
Information in this section was contributed by VmanPyroManiac.