Games like Fear deeps
Games like Fear deeps include Phasmophobia, Firework, Poppy Playtime, Garten of Banban, and Subliminal. We matched them by the tags players give Fear deeps on Steam (Mystery, Thriller, Puzzle, Psychological Horror, and RPG): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Psychological Horror · VR · Supernatural

Firework
Shared: Puzzle · Mystery · Psychological Horror

Poppy Playtime
Shared: Puzzle · Mystery · Psychological Horror

Garten of Banban
Shared: Psychological Horror · Puzzle · VR

Subliminal
Shared: Psychological Horror · Mystery · Thriller

Dread Flats
Shared: Mystery · Psychological Horror · Thriller

Superliminal
Shared: Puzzle · Thriller · First-Person

Unheard - Voices of Crime
Shared: Thriller · Mystery · Puzzle

Outer Wilds
Shared: Mystery · Puzzle · Exploration

MiSide
Shared: Psychological Horror · First-Person · Thriller

Blue Prince
Shared: Mystery · Puzzle · Exploration

Inside the Backrooms
Shared: Puzzle · Psychological Horror · First-Person

Myst
Shared: Puzzle · VR · First-Person

The Bridge Curse Road to Salvation
Shared: Puzzle · Psychological Horror · First-Person

The Room Three
Shared: Mystery · Puzzle · Adventure

The Room 4: Old Sins
Shared: Mystery · Puzzle · Adventure

The Bridge Curse 2: The Extrication
Shared: Mystery · Psychological Horror · Thriller

What Remains of Edith Finch
Shared: Mystery · First-Person · Psychological Horror

Sally Face - Episode One
Shared: Psychological Horror · Puzzle · Mystery

Riven
Shared: Puzzle · Mystery · First-Person

The Room Two
Shared: Mystery · Puzzle · Psychological Horror

The Scourge Tai ng
Shared: Supernatural · Puzzle · First-Person

Obduction
Shared: Puzzle · Mystery · VR

The Painscreek Killings
Shared: Mystery · Puzzle · Exploration