Rebel Star II - Alien Encounter - 2 Players (1988)(Silverbird Software) ROM Download for ZX Spectrum (TAP). Rebel Star II - Alien Encounter - 2 Players (1988)(Silverbird Software) game is available to play online and download only on Roms Games. Rebel Star II - Alien Encounter - 2 Players (1988)(Silverbird Software) ROM for ZX Spectrum download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.