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Mario Super Sluggers: Ultra-Slammin'! is a fan fiction Mario video game where Mario and friends compete in baseball.

StoryEdit

Bowser destroys Baseball Kingdom into pieces, and three months later, it's rebuilt again. Soon, Bowser reappears and challenges everybody to a game of baseball, or else he'll destroy Baseball Kingdom again.

CharactersEdit

Playable CharactersEdit

Unlockable Characters Edit

Ball ParksEdit