Enter the following passwords at the Password screen to access these power-ups.
Infinite lives: ELVISLIVES
Infinite ammo: STRANGELUV
Infinite armor: IAMWOMAN
Infinite fuel: EARTHFIRST
Infinite ammo, fuel, and invincible chopper: MIDNIGOIL
Infinite ammo, fuel, lives, and weapons twice their normal damage: THEBIGBOYS
Infinite ammo, fuel, and lives: FUGAZI
Stronger weapons: DAVEDITHER
Weapons do double the normal damage: DRBENWAY
Fuel mileage is doubled: VULTURE
Start with four lives: SADISSA
Start with seven lives: NOSFERATU
Show all enemies on map: NSTHMNDNT
Worship the chopper: GHANDI
Lynch the chopper: ANGRYLOCAL
Peaceful world: QUAKER
Level 2: GRANDTHEFT
Level 3: GROZNEY
Level 4: CHERNOBYL
Level 5 CIVILWAR
Infinite Lives: At the level password screen, enter ELVISLIVES.