Here are Game Genie codes:

Start with 255 life: NNKAIEGO

255 max. life (still shows only 28): NNNELXGO

Start with 255 energy--all weapons: NNEELEGO

255 max. energy--all weapons (shows up to 28): NYKAGUGO

Final Password: A2,B1,B3,B5,C2,D1,C2,D4,E4

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