CheatCodes.com has all the official Home Run King GameCube cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Saturday May 25, 2013 for Home Run King are shown below.
When you play any game at Cinergy Park, when you hit a homerun you can see where the new Great American Ballpark is going to be built at.
To get mascot costumes you have to beat season mode without losing. (You have to beat the game with whatever teams you want because it only gives you the mascot of the team you beat the game with.)
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