From Wikipedia:
“Outlast is a 2013 first-person survival horror video game developed and published by Canadian independent studio Red Barrels. It revolves around freelance investigative journalist Miles Upshur, who decides to investigate Mount Massive Asylum, a remote psychiatric hospital, located deep in the mountains of Lake County, Colorado.
The game was released for Microsoft Windows on September 4, 2013, PlayStation 4 on February 4, 2014, and Xbox One on June 19, 2014. Linux and OS X versions were released on March 31, 2015 while a Nintendo Switch version was released on February 27, 2018. Outlast received generally positive reviews from critics for its atmosphere, horror elements, and overall gameplay. As of October 2024, the game has a playerbase of 37 million.”