Games like Exitless
Games like Exitless include SOMA, Escape the Backrooms, Outlast, Lethal Company, and Darkwood. We matched them by the tags players give Exitless on Steam (Psychological Horror, Exploration, Surreal, Survival Horror, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Psychological Horror · Horror · Exploration

Escape the Backrooms
Shared: Psychological Horror · Horror · Survival Horror

Outlast
Shared: Psychological Horror · Survival Horror · Horror

Lethal Company
Shared: Horror · Survival Horror · Exploration

Darkwood
Shared: Psychological Horror · Survival Horror · Horror

Visage
Shared: Psychological Horror · Survival Horror · Horror

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Psychological Horror · Horror

Pacify
Shared: Psychological Horror · Horror · Exploration

Layers of Fear (2016)
Shared: Psychological Horror · Horror · Walking Simulator

Poppy Playtime
Shared: Horror · Psychological Horror · Survival Horror

Mouthwashing
Shared: Psychological Horror · Horror · Atmospheric

Amnesia: The Dark Descent
Shared: Psychological Horror · Horror · Survival Horror

Inside the Backrooms
Shared: Psychological Horror · Survival Horror · Horror

Outlast 2
Shared: Psychological Horror · Survival Horror · Horror

What Remains of Edith Finch
Shared: Walking Simulator · Exploration · Atmospheric

SILENT HILL 2
Shared: Psychological Horror · Survival Horror · Horror

Slender: The Arrival
Shared: Survival Horror · Horror · Psychological Horror

Backrooms: Escape Together
Shared: Psychological Horror · Horror · Survival Horror

The Exit 8
Shared: Exploration · Psychological Horror · Walking Simulator

SILENT HILL f
Shared: Psychological Horror · Survival Horror · Horror

Resident Evil 7 Biohazard
Shared: Survival Horror · Horror · Psychological Horror

POOLS
Shared: Psychological Horror · Exploration · Walking Simulator

Scanner Sombre
Shared: Exploration · Walking Simulator · Psychological Horror

Kholat
Shared: Psychological Horror · Horror · Walking Simulator