Silent Service - The Submarine Simulation ROM Download can be obtained free for Commodore 64 on EmuGames.net only. Play emulator game in English for the USA region. Silent Service The Submarine Simulation is a C64 ROM that you can download to your computer or play online within your browser. You can also download roms such as Hitman 2 Silent Assassin and Silent Hill that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.