Games like Hotel 13
Games like Hotel 13 include The Exit 8, What Remains of Edith Finch, Layers of Fear (2016), Scanner Sombre, and Platform 8. We matched them by the tags players give Hotel 13 on Steam (Psychological Horror, Exploration, Puzzle, Walking Simulator, and Horror): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Exploration · Puzzle · Walking Simulator

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

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

Scanner Sombre
Shared: Exploration · Walking Simulator · Horror

Platform 8
Shared: Psychological Horror · Walking Simulator · Puzzle

Inside the Backrooms
Shared: Psychological Horror · Horror · Puzzle

SOMA
Shared: Psychological Horror · Horror · Atmospheric

Firewatch
Shared: Walking Simulator · Atmospheric · Exploration

INFRA
Shared: Exploration · Puzzle · Walking Simulator

Outer Wilds
Shared: Exploration · Puzzle · Atmospheric

Poppy Playtime
Shared: Horror · Puzzle · Psychological Horror

Garten of Banban
Shared: Psychological Horror · Horror · Puzzle

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

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

Mouthwashing
Shared: Psychological Horror · Horror · Atmospheric

POOLS
Shared: Psychological Horror · Walking Simulator · Exploration

MiSide
Shared: Psychological Horror · Horror · First-Person

Psalm 5:9-13
Shared: Psychological Horror · Exploration · Horror

September 7th
Shared: Exploration · Psychological Horror · Horror

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

Lethal Company
Shared: Horror · Exploration · Psychological Horror

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

Summer of '58
Shared: Psychological Horror · Horror · Walking Simulator

Dreamcore
Shared: Exploration · Psychological Horror · Walking Simulator