This page contains WarioWare Inc: Mega Microgames Unlockables for GameBoy Advance called "Boss mode" and has been posted or updated on Oct 9, 2006 by big daddy. Let us know what you think of this Unlockable by thumbs voting.
- Developer: Nintendo
- Publisher: Nintendo
- Genre: Miscellaneous Puzzle General
- Release Date: May 26, 2003
- ESRB: Everyone
Beat the game to unlock an option to fight just Bosses.
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