Games like The Room Stalker
Games like The Room Stalker include The Exit 8, Platform 8, Scanner Sombre, Inside the Backrooms, and Layers of Fear (2016). We matched them by the tags players give The Room Stalker on Steam (Psychological Horror, Horror, 1990's, Puzzle, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Horror · Puzzle · Psychological Horror

Platform 8
Shared: Psychological Horror · Walking Simulator · Puzzle

Scanner Sombre
Shared: Horror · Walking Simulator · Exploration

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

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

Poppy Playtime
Shared: Horror · Puzzle · Psychological Horror

September 7th
Shared: Horror · Psychological Horror · Walking Simulator

SOMA
Shared: Psychological Horror · Horror · Exploration

MOLE
Shared: Horror · Psychological Horror · Puzzle

MiSide
Shared: Psychological Horror · Horror · First-Person

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

Killer Frequency
Shared: Horror · Puzzle · Walking Simulator

Millennium Dream
Shared: Walking Simulator · 1990's · Psychological Horror

Garten of Banban
Shared: Horror · Psychological Horror · Puzzle

DON'T SCREAM
Shared: Psychological Horror · Horror · Walking Simulator

Escape the Backrooms
Shared: Horror · Psychological Horror · Exploration

Bad Parenting 1: Mr. Red Face
Shared: Horror · Psychological Horror · 1990's

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

Amanda the Adventurer
Shared: Horror · 1990's · Puzzle

Lethal Company
Shared: Horror · Psychological Horror · Exploration

Cursed Digicam
Shared: Psychological Horror · Horror · 1990's

Fears to Fathom - Woodbury Getaway
Shared: Psychological Horror · Horror · 1990's

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

Mouthwashing
Shared: Psychological Horror · Horror · Walking Simulator