Championship Basketball - Two-On-Two (1987)(Gamestar - Activision)[cr] ROM Download for Apple II GS (A2GS). Championship Basketball - Two-On-Two (1987)(Gamestar - Activision)[cr] game is available to play online and download only on Roms Games. Championship Basketball - Two-On-Two (1987)(Gamestar - Activision)[cr] ROM for Apple II GS download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.