Games like The Midnight Sanctuary
Games like The Midnight Sanctuary include Little Nightmares, Firewatch, Little Nightmares II, Tales of the Black Forest, and Tiny Bunny. We matched them by the tags players give The Midnight Sanctuary on Steam (Indie, Adventure, Visual Novel, Horror, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Little Nightmares
Shared: Adventure · Horror · Atmospheric

Firewatch
Shared: Adventure · Atmospheric · Story Rich

Little Nightmares II
Shared: Adventure · Horror · Singleplayer

Tales of the Black Forest
Shared: Indie · Adventure · Horror

Tiny Bunny
Shared: Visual Novel · Horror · Atmospheric

INSIDE
Shared: Indie · Atmospheric · Horror

Raging Loop
Shared: Visual Novel · Adventure · Indie

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

Half-Life: Alyx
Shared: VR · Horror · Story Rich

What Remains of Edith Finch
Shared: Atmospheric · Adventure · Story Rich

Dagon: by H. P. Lovecraft
Shared: Horror · Visual Novel · Atmospheric

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Adventure · Story Rich

Banebush
Shared: Visual Novel · Horror · Indie

Brothers - A Tale of Two Sons
Shared: Adventure · Indie · Atmospheric

Detention
Shared: Indie · Horror · Adventure

Stray
Shared: Adventure · Atmospheric · Singleplayer

Firework
Shared: Indie · Horror · Visual Novel

Resident Evil 7 Biohazard
Shared: Horror · VR · Singleplayer

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

Outer Wilds
Shared: Adventure · Story Rich · Atmospheric

Fran Bow
Shared: Adventure · Indie · Horror

The Midnight Walk
Shared: Adventure · Horror · Atmospheric

OneShot
Shared: Indie · Story Rich · Atmospheric

DISTRAINT: Deluxe Edition
Shared: Indie · Horror · Adventure