Alien: Isolation is a 2014 survival horror video game developed by Creative Assembly and published by Sega originally for Microsoft Windows, PlayStation 3, PlayStation 4, Xbox 360 and Xbox One. Based on the Alien science fiction horror film series, the game is set 15 years after the events of the original 1979 film Alien, and follows engineer Amanda Ripley, daughter of Alien protagonist Ellen Ripley, as she investigates the disappearance of her mother. Unlike previous game adaptations of the Alien franchise, Alien: Isolation places an emphasis on stealth and survival horror gameplay, requiring the player to avoid and outsmart a single Alien creature with tools such as a motion tracker and flamethrower. It was designed to resemble the original film rather than its more action-oriented 1986 sequel Aliens, and features a similar lo-fi, 1970s vision of what the future would look like. The game runs on an engine built from scratch to accommodate technical aspects such as atmospheric and lighting effects and the Alien’s behaviour. Creative Assembly intended to make Alien: Isolation a third-person game, but used first-person to create a more intense experience.