Once the team wins the pennant, the team is invited to play in the postseason tournament, starting with the best-of-3 Super Entire Nation Tournament, and then the Ultra Grand Championship of the Universe (analogous to the real-life World Series).

[1] The game features thirty fictional children evenly split between 15 boys and 15 girls, rated from 1 to 4 in batting, running, pitching and fielding.

[5][6][7] Backyard Baseball was conceived by Nick Mirkovich, who took inspiration from various baseball-themed movies focusing on children; the project was later put into action during the 1995 American League Division Series.

[3] The remaster was developed by Mega Cat Studios and published by Playground Productions.

[12] The remaster supports several Steam features not found in the original release, including leaderboards, achievements, and cloud saves.

The reviewers criticized the slow gameplay with macHOME describing the pacing "as fluid as a drunk trying to walk a straight line".

[17][4][18] Mark Delaney of GameSpot viewed this as a missed opportunity to implement some quality-of-life features.