This page contains Mario Tennis Open Unlockables for 3DS called "Unlockable Costumes" and has been posted or updated on May 22, 2012 by Wadaanefteedy.
- Developer: Camelot Software Planning
- Publisher: Nintendo
- Genre: Sports
- Release: May 20, 2012
- ESRB: Everyone
To unlock the following Costumes, complete the following tasks:
|Unlockable:||How to Unlock:|
|Fire Mario||Turn 2 characters into star characters.|
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