no clue, but ironically enough this page shows up on page 2 of the search.
gamefaqs says this:
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| Fight Sylvia | Complete the game 50 times in a row, and you'll be |
| | able to fight her in the final battle. |
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| Extra Points | On each level, jump kick the twelfth enemy |
| | for 5,000 points instead of the default amounts. |
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| Alternate | Complete the game twice in a row. The hearts at the|
| Ending | end will appear in a different sequence. |
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/GAME GENIE CODES/
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|||| Unlimited Lives |<>| SUAAXA ||||
|||| 9 Lives |<>| PEZELK ||||
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Don't say I didn't try
