Outlast [v1.0a] -

The core gameplay mechanics of (v1.0), released in 2013 by Red Barrels , revolve around a high-stakes survival experience where the player lacks any combat capabilities.

: To navigate pitch-black corridors, you must use your camera’s night vision mode. This consumes limited battery life, forcing you to constantly scavenge for replacements to avoid being left in total darkness. Outlast [v1.0a]

: The level design uses lighting and environmental cues (like furniture to vault over) to guide you during chases, while the AI enemies like Chris Walker vary their routes to keep you on edge. The core gameplay mechanics of (v1

An "alleged prototype" of the 2013 version recently surfaced online, showing differences in the camera UI and run animations compared to the final release. Outlast: The Near PERFECT Horror Game : The level design uses lighting and environmental

The defining "feature" of this horror title is its system:

: Unlike typical survival horror, you cannot fight back. You must hide, run, or sneak to survive encounters with homicidal patients in Mount Massive Asylum .