Stratosphere - Excelsor II (1987)(Players)[k-file] ROM Download for Atari 800 (A800). Stratosphere - Excelsor II (1987)(Players)[k-file] game is available to play online and download only on Roms Games. Stratosphere - Excelsor II (1987)(Players)[k-file] ROM for Atari 800 download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.