A sequel, Outlast 2, was released on April 25, 2017, while a prequel, The Outlast Trials, was released on May 18, 2023.

As of May 2018, the whole series has sold 15 million copies. As of October 2016, the game has sold 4 million copies. Outlast received generally positive reviews, with praise for its atmosphere, horror elements, and gameplay. A Nintendo Switch version titled Outlast: Bundle of Terror was released in February 2018.

Linux and OS X versions were later released on March 31, 2015. Outlast was released for Microsoft Windows on September 4, 2013, PlayStation 4 on February 4, 2014, and for Xbox One on June 19, 2014. The downloadable content Outlast: Whistleblower centers on Waylon Park, the man who led Miles there in the first place. The game revolves around a freelance investigative journalist, Miles Upshur, who decides to investigate a remote psychiatric hospital named Mount Massive Asylum, located deep in the mountains of Lake County, Colorado.

Outlast is a 2013 first-person survival horror video game developed and published by Red Barrels.

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