Play Baseball Games on Emulator Online. We have the best Baseball games online for different retro emulators including GBA, Game Boy, SNES, Nintendo and Sega. There are over 39 online Baseball games in our collection. All of the games that you see here are without download, pick any and start playing right away. If you enjoy the game, be sure to vote for it and leave a comment. Baseball games that started it all back in the day are now playable free within your browser! Start by playing some of our popular Baseball online games like R.B.I. Baseball, Backyard Baseball, Baseball Stars 2 and Ken Griffey Jr. Presents Major League Baseball.