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Nightmare Mode

Hard challenge map.

All items you need to start the game and beat the tower are SOUTH from spawn.
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Clear conditions are met if BOTH:
* All enemies are defeated on all 10 floors.
* The SBURB disk is used to start the game along with the pre-punched card.
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At the 5th floor a mini-boss will mark the halfway point.

This map is verified possible by me. (And my friend, GG!)

Good luck.