Games like The Wellmonts Case
Games like The Wellmonts Case include Summer of '58, Firewatch, Mouthwashing, Fears to Fathom - Ironbark Lookout, and What Remains of Edith Finch. We matched them by the tags players give The Wellmonts Case on Steam (Adventure, Horror, Psychological Horror, Thriller, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

Summer of '58
Shared: Horror · Thriller · Psychological Horror

Firewatch
Shared: Adventure · Walking Simulator · Atmospheric

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

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

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

The Lightkeeper
Shared: Adventure · Horror · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · Atmospheric

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

Welcome to Kowloon
Shared: Horror · Adventure · Psychological Horror

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

Little Nightmares II
Shared: Adventure · Horror · Psychological Horror

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

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

Blair Witch
Shared: Adventure · Horror · Psychological Horror

MiSide
Shared: Psychological Horror · Horror · 3D

Phasmophobia
Shared: Horror · Psychological Horror · Dark

Poppy Playtime
Shared: Horror · Psychological Horror · Dark

ROUTINE
Shared: Psychological Horror · Adventure · Horror

Amenti
Shared: Adventure · Horror · Dark

Visage
Shared: Horror · Psychological Horror · Dark

Fears to Fathom - Norwood Hitchhike
Shared: Horror · Psychological Horror · Thriller

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

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

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