Backyard Baseball is a series of baseball video games for children which was originally developed by Humongous Entertainment. It was first released in October 1997 for Macintosh and Microsoft Windows. Later games were featured on Game Boy Advance, PlayStation 2, GameCube, Wii, and iOS. It is part of the Backyard Sports franchise, of which this series serves as its first sub-series. It, along with its parent franchise, is currently handled by Playground Productions and developed by Mega Cat Studios.