97		Outlast 2 (PlayStation 4, 2017)
48		Saw II: Flesh & Blood (PlayStation 3, 2010)
48		Assassin's Creed Chronicles: India (PlayStation 4, 2016)
48		Assassin's Creed Chronicles: Russia (PlayStation 4, 2016)
47		Far Cry 4 (PlayStation 4, 2014)
46		Far Cry 3 (PlayStation 3, 2012)
45		Far Cry 4 (PlayStation 3, 2014)
45		Daylight (PlayStation 4, 2014)
44		Layers of Fear (PlayStation 4, 2016)
44		Sniper: Ghost Warrior 2 (PlayStation 3, 2013)
43		Dishonored (PlayStation 3, 2012)
43		Here They Lie (PlayStation 4, 2016)
43		Chambara (PlayStation 4, 2016)
43		The Brookhaven Experiment (PlayStation 4, 2016)
42		Sniper: Ghost Warrior (PlayStation 3, 2011)
42		Dino Crisis 2 (PlayStation, 2000)
42		The Bellows (PlayStation 4, 2017)
42		Dino Crisis 2 (PlayStation 3, 2011)
41		Siren: Blood Curse (PlayStation 3, 2008)
41		Welcome to Hanwell (PlayStation 4, 2018)
40		Metal Gear Solid V: The Phantom Pain (PlayStation 4, 2015)
40		Thief (PlayStation 3, 2014)
40		Forbidden Siren 2 (PlayStation 2, 2006)
40		Shinobido: Way of the Ninja (PlayStation 2, 2005)
40		The Nihon Tokushu Butai: Kyōaku Hanzai Rettō 24-ji (PlayStation 2, 2006)
40		007: Quantum of Solace (PlayStation 2, 2008)
40		Dick Marcinko: Rogue Warrior (PlayStation 3, 2009)
40		007: Quantum of Solace (PlayStation 3, 2008)
40		Thief (PlayStation 4, 2014)

Notes: Games similar to Outlast, Games like Outlast, Red Barrels Inc., Red Barrels Inc., PlayStation 4, Action, Stealth, Survival Horror, 1st-person, UnrealEngine3, Mental facility, Asylum, Sony PlayStation, PSX, PS1, PS2, PS3, PS4, Game Similarities.