Backyard Baseball is a baseball simulation video game developed and published by Humongous Entertainment in 2002 for the Nintendo GameCube. The game is the fifth installment in the Backyard Sports series and the first to be released for the GameCube.
The game has similar gameplay to other Backyard Sports games, with players able to choose from a series of child characters to play baseball with. The game has a single-player mode, local multiplayer mode, and online mode.
Backyard Baseball was critically acclaimed, with praise for its gameplay, graphics, and creativity.