Games like Possession
Games like Possession include Firewatch, What Remains of Edith Finch, Amnesia: A Machine For Pigs, SOMA, and Outer Wilds. We matched them by the tags players give Possession on Steam (Adventure, Walking Simulator, Exploration, First-Person, and 3D): closest matches first, and among equally close ones the better-known games.
Firewatch
Shared: Adventure · Walking Simulator · First-Person
What Remains of Edith Finch
Shared: Walking Simulator · Adventure · First-Person
Amnesia: A Machine For Pigs
Shared: Walking Simulator · Horror · First-Person
SOMA
Shared: Horror · Exploration · Atmospheric
Outer Wilds
Shared: Exploration · Adventure · Mystery
Outlast
Shared: First-Person · Horror · Atmospheric
Layers of Fear (2016)
Shared: Walking Simulator · Horror · First-Person
Lethal Company
Shared: First-Person · Horror · Exploration
Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Exploration
Escape the Backrooms
Shared: Horror · First-Person · Adventure
Scanner Sombre
Shared: Walking Simulator · Exploration · Adventure
Inside the Backrooms
Shared: Horror · Adventure · Exploration
The Forest
Shared: Adventure · Horror · First-Person
INFRA
Shared: Exploration · Walking Simulator · Adventure
CARIMARA: Beneath the forlorn limbs
Shared: Adventure · Exploration · Mystery
The Beast Inside
Shared: Adventure · First-Person · Horror
Still Wakes the Deep
Shared: Walking Simulator · Horror · First-Person
PEAK
Shared: Adventure · Exploration · First-Person
Psalm 5:9-13
Shared: Exploration · Walking Simulator · Horror
Gone Home
Shared: Walking Simulator · Exploration · First-Person
The Vanishing of Ethan Carter
Shared: Walking Simulator · Exploration · Adventure
Poppy Playtime
Shared: Horror · First-Person · Adventure
The Exit 8
Shared: Exploration · Walking Simulator · Horror
Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · First-Person · Horror