Enter the following as passwords:
Invincibility Circle, Circle, Triangle, Triangle, Circle, X, Square, X. All weapons Triangle, Triangle, Circle, Circle, Circle, X, Square, X. Infinite ammo Triangle, Circle, Circle, Circle, Square, X, Triangle, Square.
Level Passwords:
GorgonX, X, Triangle, Square, Square, X, Circle, X Dimensional TempleSquare, X, Triangle, Square, Square, Square, Circle, X Floating FortressCircle, X, Triangle, Square, Square, Circle, Circle, X Spirit BogTriangle, X, Triangle, Square, Square, Triangle, Circle, X Canyon VillageX, Square, Triangle, Square, Square, X, Triangle, X Creepy CavernsSquare, Square, Triangle, Square, Square, Square, Triangle, X Space ShipCircle, Square, Triangle, Square, Square, Circle, Triangle, X Hall Of PatriotsTriangle, Square, Triangle, Square, Square, Triangle, Triangle, X Graveyard Of X, Circle, Triangle, Square, Square, X, X, War MachinesSquare Nuclear MineSquare, Circle, Triangle, Square, Square, Square, X, Square Launch CenterCircle, Circle, Triangle, Square, Square, Circle, X, Square Ulhaden FierTriangle, Circle, Triangle, Square, Square, Triangle, X, Square GarrisonX, Triangle, Triangle, Square, Square, X, Square, Square Inner SanctumSquare, Triangle, Triangle, Square, Square, Square, Square, Square
Thanks to Revolution readers G-man, chipathy, Vinnie, Brian, shaun, Chris McClain,
Cmiller, and Grey_Fox!