Official Game Genie Codes
| PEUSZALA | Start with 1 life--player 1
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| TEUSZALA | Start with 6 lives--player 1
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| PEUSZALE | Start with 9 lives--player 1
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| PEVIYALA | Start with 1 life--player 2
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| TEVIYALA | Start with 6 lives--player 2
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| PEVIYALE | Start with 9 lives--player 2
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| GZEXAOVK | Infinite lives--both players
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| PEXIZAAA | Start on stage 2--player 1
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| LEXIZAAA | Start on stage 4--player 1
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| IEXIZAAA | Start on stage 6--player 1
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| YEXIZAAA | Start on stage 8--player 1
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| PEKSYAAA | Start on stage 2--player 2
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| LEKSYAAA | Start on stage 4--player 2
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| IEKSYAAA | Start on stage 6--player 2
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| YEKSYAAA | Start on stage 8--player 2
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| AXXLNUIE | Mega-jump
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| AAXGYLPA | Claws use up no energy
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| AGNIZAAA | Start each new life as a berserker!
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| KYXUVUVN + GAUUELZA | Super speed
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| ZAXLISAA + ZAEKAKAA | Take less damage from bullets |
