Sentinel (Proto) ROM Download can be obtained free for Atari 7800 ProSystem on EmuGames.net only. Play emulator game in English for the USA region. Sentinel is a Atari 7800 ROM that you can download to your computer or play online within your browser. You can also download roms such as Prince Of Persia 2 The Shadow And The Flame and Sonic Crackers that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.