Gamevil's mobile game franchise passes landmark after seven years.
The South Korean publisher first released Baseball Superstars in 2002 in its home market and has released a new version every year since.
Gamevil says the game is now available on hundreds of handsets, smartphones, and portable music devices around the world (including iPhone and Android).
Kyu Lee, President of Gamevil USA, said: "Coming originally from mobile, Baseball Superstars has been a tremendously successful franchise. With the explosion of digital distribution across all platforms, we believe more opportunities lie ahead of Baseball Superstars in the future."