Games like Mystic Rest Stop
Games like Mystic Rest Stop include Fears to Fathom - Ironbark Lookout, Firewatch, Layers of Fear (2016), Summer of '58, and What Remains of Edith Finch. We matched them by the tags players give Mystic Rest Stop on Steam (Horror, Atmospheric, Psychological Horror, Adventure, and Exploration): closest matches first, and among equally close ones the better-known games.

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

Firewatch
Shared: Atmospheric · Adventure · Walking Simulator

Layers of Fear (2016)
Shared: Horror · Atmospheric · Psychological Horror

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

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

SOMA
Shared: Horror · Atmospheric · Psychological Horror

MiSide
Shared: Psychological Horror · Horror · Atmospheric

Fears to Fathom® - Scratch Creek
Shared: Horror · Psychological Horror · Adventure

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

Fears to Fathom - Woodbury Getaway
Shared: Horror · Psychological Horror · Adventure

Still Wakes the Deep
Shared: Horror · Psychological Horror · Atmospheric

Amnesia: A Machine For Pigs
Shared: Horror · Atmospheric · Psychological Horror

Scanner Sombre
Shared: Horror · Atmospheric · Exploration

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

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

Outlast
Shared: Horror · Atmospheric · Psychological Horror

Visage
Shared: Horror · Psychological Horror · Atmospheric

Fears to Fathom - Carson House
Shared: Horror · Psychological Horror · Atmospheric

ROUTINE
Shared: Psychological Horror · Atmospheric · Horror

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

The Park®
Shared: Horror · Psychological Horror · Atmospheric

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

SILENT HILL 2
Shared: Horror · Psychological Horror · Atmospheric

Blair Witch
Shared: Horror · Psychological Horror · Adventure