Games like SHH!
Games like SHH! include Five Nights at Freddy's: Security Breach, Five Nights at Freddy's: Secret of the Mimic, SILENT HILL: Townfall, Tomb Raider Game of the Year, and Escape the Backrooms. We matched them by the tags players give SHH! on Steam (Adventure, Action, Action-Adventure, Exploration, and 3D): closest matches first, and among equally close ones the better-known games.

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Exploration

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · Action · First-Person

SILENT HILL: Townfall
Shared: Adventure · Action · Horror

Tomb Raider Game of the Year
Shared: Adventure · Action · Exploration

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

The Forest
Shared: Adventure · Horror · Action

Resident Evil Requiem
Shared: Action · Survival Horror · Horror

Rise of the Tomb Raider™
Shared: Adventure · Action · Exploration

Outlast
Shared: First-Person · Horror · Atmospheric

Amnesia: Rebirth
Shared: Action-Adventure · First-Person · Adventure

A Plague Tale: Requiem
Shared: Adventure · Action · Action-Adventure

Lethal Company
Shared: First-Person · Horror · Exploration

PEAK
Shared: Adventure · Exploration · First-Person

Bendy and the Dark Revival
Shared: Action · Adventure · First-Person

Amnesia: The Bunker
Shared: Horror · Atmospheric · Survival Horror

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

Metro Exodus
Shared: Action · Atmospheric · Adventure

Darkwood
Shared: Adventure · Action · Horror

Fallout 4
Shared: Adventure · Exploration · Atmospheric

Resident Evil Village
Shared: Action · First-Person · Horror

Subnautica 2
Shared: Exploration · Horror · Adventure

METRO 2033 Redux
Shared: Action · Atmospheric · Horror

Kena: Bridge of Spirits
Shared: Adventure · Action · Action-Adventure

Indiana Jones and the Great Circle
Shared: Action-Adventure · Adventure · First-Person