This page contains Mario's Tennis Unlockables for Virtual Boy called "Bonus characters" and has been posted or updated on Aug 30, 2006 by Loui21.
- Developer: Nintendo
- Publisher: Nintendo
- Genre: Sports
- Release: Not Set
- ESRB: Not Set
Beat the game under singles mode using Mario five times, Donkey Kong five times, and Koopa five times. Wario and Rush (Mega Man's companion) will become selectable characters.
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