Backyard Baseball Gameboy Cheats
Backyard Baseball Cheat: Aluminum bat
Enter POWER to get an aluminum bat.
Backyard Baseball Unlockable: Stadiums
* Hit a homerun into the water at Frazier Field, Gator Flats, and Steele Stadium to get Aquadome stadium.
* Win the world series to get Humongous Memorial Stadium.
Backyard Baseball Hint: Boost stats
Put players on their real Major League team and they will have boosted stats.