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.
Stuck in this game? Set a specific, clearly defined question and let other gamers answer your question or view answers to previously asked questions. If you think you are an expert then please try to help others with their questions.