Games like The Silent Forests
Games like The Silent Forests include Poppy Playtime, Escape the Backrooms, Outlast, Resident Evil 7 Biohazard, and The Forest. We matched them by the tags players give The Silent Forests on Steam (Action, Adventure, Horror, Puzzle, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Puzzle · Singleplayer

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

Outlast
Shared: Horror · Psychological Horror · First-Person

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

The Forest
Shared: Horror · Adventure · Action

Inside the Backrooms
Shared: Horror · Puzzle · Psychological Horror

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

The Beast Inside
Shared: Adventure · Horror · Action

Outer Wilds
Shared: Adventure · Exploration · Puzzle

SOMA
Shared: Horror · Psychological Horror · Exploration

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

Lethal Company
Shared: Horror · First-Person · Exploration

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

Ready or Not
Shared: Realistic · Horror · Action

Bendy and the Dark Revival
Shared: Horror · Action · Adventure

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

Little Nightmares II
Shared: Adventure · Horror · Puzzle

Darkwood
Shared: Horror · Adventure · Action

SILENT HILL: Townfall
Shared: Adventure · Action · Horror

Garten of Banban
Shared: Horror · Psychological Horror · Puzzle

Amnesia: Rebirth
Shared: Puzzle · Horror · Adventure

The Complex: Expedition
Shared: Horror · Exploration · Action

Atomic Heart
Shared: Adventure · Action · Horror

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