Play Alien Games online in your browser. Play Emulator has the largest collection of the highest quality Alien Games for various consoles such as GBA, SNES, NES, N64, SEGA, and more. Start playing by choosing a Alien Emulator game from the list below. All games are available without downloading only at PlayEmulator. We collected some of the best Alien Online Games such as Ben 10 Ultimate Alien: Cosmic Destruction, Contra 3: The Alien Wars, and Ben 10 Alien Force: Vilgax Attacks.