checked-part |3KNT| Stage 2, 3 men |2S3W| Stage 4, 7 men |B32R| Unlimited Lives |MDWH| Stage 3, 6 men |1Z5C| Stage 5, 7 men -> |F5F5| Factor Five code -- level 5 w/ flamethrower and equip =>Stage Skip: Enter the password |H2F2|. The game will reset. Start a new game and press [START] at any time to complete that stage. =>Easy Mode Level 4: The easy game normally ends on level 3, but if you enter the password |21LN| you can play the easy level 4; however, the game will end once you complete the stage.