Games like On the other side
Games like On the other side include Backrooms: Escape Together, Poppy Playtime, Outlast, Lethal Company, and The Outlast Trials. We matched them by the tags players give On the other side on Steam (Simulation, Horror, Survival Horror, Psychological Horror, and Choices Matter): closest matches first, and among equally close ones the better-known games.

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

Poppy Playtime
Shared: Horror · Survival Horror · Psychological Horror

Outlast
Shared: Horror · Survival Horror · Psychological Horror

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

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

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

Resident Evil 7 Biohazard
Shared: Horror · Survival Horror · First-Person

The Forest
Shared: Horror · Survival Horror · Action

SOMA
Shared: Horror · Psychological Horror · Survival Horror

Resident Evil Requiem
Shared: Survival Horror · Horror · Action

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

Outlast 2
Shared: Horror · Survival Horror · Psychological Horror

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

Resident Evil Village
Shared: Horror · Survival Horror · Action

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

Darkwood
Shared: Horror · Survival Horror · Psychological Horror

Visage
Shared: Horror · Survival Horror · Psychological Horror

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · First-Person

Garten of Banban
Shared: Horror · Psychological Horror · First-Person

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

MADiSON
Shared: Horror · Psychological Horror · Survival Horror

Pacify
Shared: Horror · Psychological Horror · Survival Horror

In Sound Mind
Shared: Horror · Psychological Horror · Action

Summon
Shared: Simulation · Horror · Action