Backyard Baseball (GBA) Cheats

Backyard Baseball cheats, Tips, and Codes for GBA. Also see GameShark Codes, Code Breaker Codes for more Backyard Baseball cheat codes.


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Increase Player Statistics

Whenever you select a player for your team, and he's on the same team in Major League Baseball (ex: You picking Nomar Garciaparra and selecting the Red Sox for your team), that player will recieve a statistics bonus just when you start your first game of the season.
Unlockable Stadium
You can unlock the following stadiums:

Humongous Memorial Stadium - Win the world series championship


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Aluminum bat

When battling, enter 'POWER' to get an aluminum power bat.