Games like Forest Horror
Games like Forest Horror include Poppy Playtime, Outlast, The Forest, Rise of the Tomb Raider™, and Five Nights at Freddy's: Security Breach. We matched them by the tags players give Forest Horror on Steam (Dark, Exploration, Realistic, Action, and Puzzle): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Dark · Puzzle · First-Person

Outlast
Shared: First-Person · Dark · Survival

The Forest
Shared: Survival · Exploration · Action

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

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

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

Thief
Shared: Action · Dark · Stealth

Metro Exodus
Shared: Action · Singleplayer · Survival

Buckshot Roulette
Shared: Dark · First-Person · Horror

SOMA
Shared: Dark · Exploration · Atmospheric

Amnesia: Rebirth
Shared: Puzzle · Exploration · First-Person

Dishonored
Shared: Action · Stealth · First-Person

Resident Evil 4
Shared: Action · Dark · Survival

R.E.P.O.
Shared: Horror · 3D · Stealth

Little Nightmares II
Shared: Dark · Puzzle · Singleplayer

Far Cry® Primal
Shared: Action · Survival · Exploration

The Outlast Trials
Shared: Action · Stealth · Dark

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

Zoochosis
Shared: Dark · Realistic · 3D

Subnautica 2
Shared: Exploration · Survival · Horror

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

Subnautica
Shared: Exploration · Survival · Horror

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

METRO Last Light Redux
Shared: Action · Atmospheric · First-Person