This page contains Super Mario Brothers DX Unlockables for Gameboy Color called "Alternate introduction music" and has been posted or updated on Apr 20, 2007 by rapier999.
- Developer: Nintendo
- Publisher: Nintendo
- Genre: Action Platformer
- Release: Apr 30, 1999
- ESRB: Everyone
Alternate introduction music
Hold A or B at the Game Boy Color logo. The music that is heard when you save the Princess will now play at the introduction screen.
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