Games like UNPUNISHED
Games like UNPUNISHED include Outlast, Poppy Playtime, Summer of '58, The Forest, and Five Nights at Freddy's. We matched them by the tags players give UNPUNISHED on Steam (Simulation, Psychological, Horror, Psychological Horror, and Adventure): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Psychological Horror · Survival Horror

Poppy Playtime
Shared: Horror · Psychological Horror · Survival Horror

Summer of '58
Shared: Horror · Psychological Horror · Thriller

The Forest
Shared: Horror · Adventure · Survival

Five Nights at Freddy's
Shared: Horror · Psychological Horror · Survival Horror

Visage
Shared: Horror · Psychological Horror · Survival Horror

Mouthwashing
Shared: Horror · Psychological Horror · Psychological

Blair Witch
Shared: Horror · Psychological Horror · Adventure

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

MiSide
Shared: Psychological Horror · Horror · First-Person

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

[Chillas Art] The Convenience Store
Shared: Horror · Simulation · Psychological Horror

The Beast Inside
Shared: Horror · Adventure · Psychological Horror

Platform 8
Shared: Simulation · Psychological Horror · Adventure

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

The Cabin Factory
Shared: Horror · Psychological Horror · Walking Simulator

SILENT HILL 2
Shared: Horror · Psychological Horror · Psychological

Fears to Fathom - Ironbark Lookout
Shared: Horror · Psychological Horror · Adventure

The Outlast Trials
Shared: Horror · Psychological Horror · Survival Horror

Dollmare
Shared: Simulation · Horror · Psychological Horror

Buckshot Roulette
Shared: Horror · Psychological · First-Person

Lethal Company
Shared: Horror · Psychological Horror · First-Person

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

No, I'm not a Human
Shared: Horror · Psychological Horror · Psychological