This page contains Mario Superstar Baseball Unlockables for Gamecube called "Super Star" and has been posted or updated on Jun 4, 2007 by belleke.
- Developer: Now Production
- Publisher: Nintendo
- Genre: Sports
- Release: Aug 29, 2005
- ESRB: Everyone
Collect all items on the item checklist. Press Start, select "Check Stars," then choose a character. Look at the stars. Once all of them are filled with stars, that player will become a superstar.
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