GBA Championship Basketball - Two-On-Two (1987)(Gamestar - Activision) ROM Download can be obtained free for Apple II GS on EmuGames.net only. Play emulator game in English for the USA region. GBA Championship Basketball Two-On-Two is a Apple II GS ROM that you can download to your computer or play online within your browser. You can also download roms such as Yu-Gi-Oh! 5D's World Championship 2010 Reverse Of Arcadia and WRC FIA World Rally Championship that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.