Games like Stay Still
Games like Stay Still include The Exit 8, Poppy Playtime, Garten of Banban, MiSide, and Superliminal. We matched them by the tags players give Stay Still on Steam (Immersive Sim, Puzzle, PvE, 3D, and First-Person): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Puzzle · Immersive Sim · Horror

Poppy Playtime
Shared: Puzzle · Horror · First-Person

Garten of Banban
Shared: Horror · First-Person · Puzzle

MiSide
Shared: Psychological Horror · First-Person · Horror

Superliminal
Shared: Puzzle · First-Person · Surreal

The Outlast Trials
Shared: Horror · PvE · First-Person

Inside the Backrooms
Shared: Puzzle · Horror · Psychological Horror

Lethal Company
Shared: First-Person · Horror · PvE

Zort
Shared: Horror · PvE · First-Person

Garten of Banban 2
Shared: Puzzle · Horror · First-Person

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

Buckshot Roulette
Shared: First-Person · Horror · 3D

Subliminal
Shared: Psychological Horror · Horror · First-Person

Garten of Banban 3
Shared: Puzzle · Horror · First-Person

Backrooms: Escape Together
Shared: Horror · Psychological Horror · First-Person

Outlast
Shared: First-Person · Horror · Psychological Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person

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

The Death | Thần Trùng
Shared: Puzzle · Horror · Psychological Horror

Bendy and the Ink Machine
Shared: Puzzle · First-Person · Horror

Resident Evil 7 Biohazard
Shared: Horror · First-Person · Psychological Horror

Layers of Fear (2016)
Shared: Horror · Psychological Horror · First-Person

Firework
Shared: Puzzle · Horror · Psychological Horror

Metel - Horror Escape
Shared: Puzzle · Horror · 3D