Games like Exit Slum 11
Games like Exit Slum 11 include Darkwood, The Beast Inside, Alan Wake, Outlast, and The Evil Within 2. We matched them by the tags players give Exit Slum 11 on Steam (Action, Adventure, Walking Simulator, Horror, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Darkwood
Shared: Adventure · Horror · Action

The Beast Inside
Shared: Adventure · Horror · Action

Alan Wake
Shared: Action · Horror · Adventure

Outlast
Shared: Horror · Psychological Horror · Adventure

The Evil Within 2
Shared: Horror · Action · Psychological Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

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

SILENT HILL f
Shared: Horror · Psychological Horror · Action

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

[Chillas Art] The Convenience Store
Shared: Horror · Adventure · Psychological Horror

Spooky's Jump Scare Mansion: HD Renovation
Shared: Adventure · Horror · Action

SILENT HILL: Townfall
Shared: Adventure · Action · Horror

The Forest
Shared: Horror · Adventure · Action

The Medium
Shared: Adventure · Horror · Psychological Horror

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

Blair Witch
Shared: Adventure · Horror · Psychological Horror

Neverending Nightmares
Shared: Horror · Psychological Horror · Walking Simulator

Alan Wake's American Nightmare
Shared: Action · Adventure · Horror

Little Nightmares II
Shared: Adventure · Horror · Psychological Horror

Pyromaniac
Shared: Action · Adventure · Psychological Horror

We Happy Few
Shared: Adventure · Action · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · Adventure

Doll Impostor
Shared: Action · Adventure · Walking Simulator

Bad Parenting 1: Mr. Red Face
Shared: Adventure · Horror · Walking Simulator