Games like Room -Random Dungeon-
Games like Room -Random Dungeon- include SOMA, Escape the Backrooms, Amnesia: The Dark Descent, Outlast, and Inside the Backrooms. We matched them by the tags players give Room -Random Dungeon- on Steam (Horror, Psychological Horror, Walking Simulator, Escape Room, and Exploration): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Psychological Horror · Atmospheric

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

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

Outlast
Shared: Horror · Psychological Horror · Atmospheric

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

Darkwood
Shared: Horror · Psychological Horror · Survival Horror

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

Little Nightmares
Shared: Horror · Atmospheric · Psychological Horror

Poppy Playtime
Shared: Horror · Psychological Horror · Puzzle

Lethal Company
Shared: Horror · Psychological Horror · Exploration

Little Nightmares II
Shared: Horror · Psychological Horror · Puzzle

We Were Here
Shared: Horror · Escape Room · Puzzle

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

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

Visage
Shared: Horror · Psychological Horror · Survival Horror

ROUTINE
Shared: Psychological Horror · Horror · Atmospheric

SILENT HILL 2
Shared: Horror · Psychological Horror · Atmospheric

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

The Exit 8
Shared: Horror · Walking Simulator · Exploration

Among the Sleep - Enhanced Edition
Shared: Horror · Walking Simulator · Atmospheric

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

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

Still Wakes the Deep
Shared: Horror · Psychological Horror · Walking Simulator

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror