Silent Service - The Submarine Simulation (UK) (1986) .dsk ROM Download for Amstrad CPC (CPC). Silent Service - The Submarine Simulation (UK) (1986) .dsk game is available to play online and download only on Roms Games. Silent Service - The Submarine Simulation (UK) (1986) .dsk ROM for Amstrad CPC download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.