Games like Escape Floor 13
Games like Escape Floor 13 include MiSide, Layers of Fear (2016), Poppy Playtime, Garten of Banban, and What Remains of Edith Finch. We matched them by the tags players give Escape Floor 13 on Steam (Psychological Horror, Simulation, Walking Simulator, Horror, and First-Person): closest matches first, and among equally close ones the better-known games.

MiSide
Shared: Psychological Horror · Horror · First-Person

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

Poppy Playtime
Shared: Horror · Psychological Horror · First-Person

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

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

Outlast
Shared: Horror · Psychological Horror · First-Person

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

SOMA
Shared: Psychological Horror · Horror · Atmospheric

Garten of Banban 2
Shared: Horror · Psychological Horror · First-Person

Scanner Sombre
Shared: Walking Simulator · Horror · Psychological Horror

Mouthwashing
Shared: Psychological Horror · Horror · Atmospheric

The Exit 8
Shared: Walking Simulator · Psychological Horror · Horror

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

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

Firework
Shared: Horror · Psychological Horror · Puzzle

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

Buckshot Roulette
Shared: Horror · First-Person · Psychological Horror

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

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

Garten of Banban 3
Shared: Psychological Horror · Horror · First-Person

Visage
Shared: Psychological Horror · Horror · First-Person

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

Little Nightmares
Shared: Horror · Atmospheric · Puzzle

Slender: The Arrival
Shared: Horror · First-Person · Psychological Horror