Vampire = Invincibility
Tornado = Equip all weapons
Dark*Angel = Super-cooled Primary weapon
Chimera = Unlimited Secondary weapons
Avalanche = Infinite Afterburner
Hydra = 99 Tokens
Thunderchild = Choice of any Ship except on certain missions
Demon = Access any Mission or Movie
Stormlord = Disable all cheats

At the password screen type Blizzard you will get infinite lives, unlimited weapons, all ships, and level select type only the first letter in CAPS the rest in lower case!!!