Category:Alien (franchise) games
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Category:Alien (franchise) mass media
Category:Horror video games by series
Category:Science fiction horror video games
Category:Science fiction video games by series
Category:Sega video game franchises
Category:Video game franchises introduced in 1982
Category:Video games based on films
Category:Video games set in outer space
Category:Video games about extraterrestrial life
Category:Video games set in the future