Games like Las 5 Celdas
Games like Las 5 Celdas include Poppy Playtime, Mouthwashing, Layers of Fear (2016), SOMA, and What Remains of Edith Finch. We matched them by the tags players give Las 5 Celdas on Steam (Psychological Horror, Horror, Walking Simulator, First-Person, and Puzzle): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · First-Person · Puzzle

Mouthwashing
Shared: Psychological Horror · Horror · Walking Simulator

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

SOMA
Shared: Psychological Horror · Horror · Dark

What Remains of Edith Finch
Shared: Walking Simulator · First-Person · Exploration

The Exit 8
Shared: Walking Simulator · Horror · Puzzle

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

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

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

Firewatch
Shared: Walking Simulator · First-Person · Adventure

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

Still Wakes the Deep
Shared: Psychological Horror · Horror · First-Person

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

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

ROUTINE
Shared: Psychological Horror · Horror · Dark

The Park®
Shared: Psychological Horror · Horror · Walking Simulator

Sally Face - Episode One
Shared: Psychological Horror · Horror · Puzzle

Psalm 5:9-13
Shared: Psychological Horror · Horror · Walking Simulator

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

Outlast
Shared: Horror · First-Person · Psychological Horror

Visage
Shared: Psychological Horror · Horror · First-Person

Layers of Fear 2 (2019)
Shared: Psychological Horror · Horror · Walking Simulator

Superliminal
Shared: First-Person · Puzzle · Psychological

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