Outlast: Whistleblower (also known as Outlast: Story DLC) is a first-person survival horror video game DLC (Downloadable content) for Outlast, developed and published by Red Barrels Games. It is the prequel to Outlast, revealing the reasons of the Mount Massive Asylum outbreak. It also shows the true ending to the asylum after Miles' (implied) death. It was released for PlayStation 4 and PC on May 6th, 2014, and for Xbox One on June 19th, 2014. Similar to its predecessor, combat is impossible and the player must either run or hide from their enemies in order to stay alive. The players can hide in various spots in order to avoid their pursuers, such as nearby lockers, bellow beds, in various corners or simply blending in with the darkness. Closing doors will impede enemies and squeezing through small spaces can lose them. Certain scripted events will require a specific action from the player.