This page contains Super Mario Brothers DX Unlockables for Gameboy Color called "You vs. Boo bonus levels" and has been posted or updated on Apr 20, 2007 by mrclean214.
- Developer: Nintendo
- Publisher: Nintendo
- Genre: Action Platformer
- Release: Apr 30, 1999
- ESRB: Everyone
You vs. Boo bonus levels
Score at least 100,000 points during game play. Then, select Boo as a character at the title screen.
Please Submit a Problem for any incomplete, non-working or fake cheat listed above.
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