Downhill Challenge (1989)(Broderbund)(Disk 1 Of 2)[system] ROM Download for Apple II GS (A2GS). Downhill Challenge (1989)(Broderbund)(Disk 1 Of 2)[system] game is available to play online and download only on Roms Games. Downhill Challenge (1989)(Broderbund)(Disk 1 Of 2)[system] 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.