This page contains Super Mario Brothers DX Unlockables for Gameboy Color called "Lost Levels bonus levels" and has been posted or updated on Apr 20, 2007 by Elisha.
- Developer: Nintendo
- Publisher: Nintendo
- Genre: Action Platformer
- Release: Apr 30, 1999
- ESRB: Everyone
Lost Levels bonus levels
Score at least 300,000 points during game play. Then, select Luigi as a character at the title screen.
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