Aliens - Alien 2 (Proto) [b] ROM Download can be obtained free for Nintendo Famicom Disk System on EmuGames.net only. Play Alien emulator game in English for the USA region. Aliens Alien 2 is a Famicom ROM that you can download to your computer or play online within your browser. You can also download roms such as Aliens 3 and Monsters Vs Aliens that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.