Games like Vacant's Mine
Games like Vacant's Mine include Poppy Playtime, Outlast, SOMA, Outlast 2, and Five Nights at Freddy's. We matched them by the tags players give Vacant's Mine on Steam (Horror, Singleplayer, Survival Horror, Adventure, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Singleplayer · Survival Horror

Outlast
Shared: Horror · Survival Horror · Singleplayer

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Outlast 2
Shared: Horror · Survival Horror · Psychological Horror

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

Resident Evil 7 Biohazard
Shared: Horror · Survival Horror · Singleplayer

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

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

Escape the Backrooms
Shared: Horror · Psychological Horror · Survival Horror

Visage
Shared: Horror · Survival Horror · Psychological Horror

Garten of Banban
Shared: Horror · Singleplayer · Psychological Horror

Little Nightmares
Shared: Horror · Singleplayer · Adventure

Inside the Backrooms
Shared: Horror · Survival Horror · Psychological Horror

Darkwood
Shared: Horror · Survival Horror · Adventure

Five Nights at Freddy's 2
Shared: Horror · Singleplayer · Survival Horror

Resident Evil Village
Shared: Horror · Survival Horror · Singleplayer

Firewatch
Shared: Adventure · Atmospheric · Singleplayer

Little Nightmares II
Shared: Horror · Singleplayer · Adventure

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · Survival Horror

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

Bendy and the Ink Machine
Shared: Horror · Singleplayer · Survival Horror

The Forest
Shared: Horror · Adventure · Survival Horror

Slender: The Arrival
Shared: Horror · Survival Horror · Singleplayer

SILENT HILL 2
Shared: Horror · Psychological Horror · Survival Horror