Games like What You Don't See
Games like What You Don't See include The Painscreek Killings, Phasmophobia, Poppy Playtime, Firewatch, and The Exit 8. We matched them by the tags players give What You Don't See on Steam (Horror, First-Person, Supernatural, Mystery, and Collectathon): closest matches first, and among equally close ones the better-known games.

The Painscreek Killings
Shared: Mystery · Investigation · Horror

Phasmophobia
Shared: Horror · Supernatural · First-Person

Poppy Playtime
Shared: Horror · First-Person · Puzzle

Firewatch
Shared: First-Person · Mystery · Adventure

The Exit 8
Shared: Horror · Exploration · First-Person

Blue Prince
Shared: Mystery · Puzzle · Investigation

What Remains of Edith Finch
Shared: First-Person · Mystery · Walking Simulator

Outer Wilds
Shared: Mystery · Exploration · Adventure

The Vanishing of Ethan Carter
Shared: Mystery · First-Person · Horror

We Were Here
Shared: Horror · Puzzle · Mystery

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

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

INFRA
Shared: First-Person · Exploration · Puzzle

The Mortuary Assistant
Shared: Horror · Supernatural · Mystery

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

Amnesia: A Machine For Pigs
Shared: Horror · First-Person · Walking Simulator

Amanda the Adventurer
Shared: Horror · First-Person · Mystery

Quern - Undying Thoughts
Shared: Mystery · First-Person · Puzzle

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

Scanner Sombre
Shared: Horror · First-Person · Exploration

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

Dread Flats
Shared: Horror · Supernatural · Mystery

Killer Frequency
Shared: Horror · First-Person · Puzzle

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