Alien 3 is an online MASTER game that you can play at Emulator Online. This free Sega Master System game is the United States of America region version for the USA. Alien 3 is a single title from the many arcade games, shooting games and alien games offered for this console. If you enjoyed playing this, then you can find similar games in the master games category. Alien 3 game is from the various retro games on the site, and there are more games like this, including Ben 10 Ultimate Alien: Cosmic Destruction, Contra 3: The Alien Wars and Ben 10 Alien Force: Vilgax Attacks.