Outlast: Whistleblower, a direct prequel and finale to the game, was released as downloadable content on May 6th, 2014 for PS4 and PC, and on June 19th, 2014 for Xbox One. It was released on Septemfor Microsoft Windows, PlayStation 4 on Februand for Xbox One on June 18th, 2014. Outlast is a first-person survival horror video game developed and published by Red Barrels and the first installment in the Outlast series.