Games like Our Secret Below
Games like Our Secret Below include The Room, The Room Two, Poppy Playtime, The Room Three, and Detention. We matched them by the tags players give Our Secret Below on Steam (Puzzle, Surreal, Thriller, Difficult, and Mystery): closest matches first, and among equally close ones the better-known games.

The Room
Shared: Puzzle · Mystery · Atmospheric

The Room Two
Shared: Puzzle · Mystery · Atmospheric

Poppy Playtime
Shared: Puzzle · Horror · Mystery

The Room Three
Shared: Puzzle · Mystery · Adventure

Detention
Shared: Puzzle · Horror · Atmospheric

LIMBO
Shared: Puzzle · Atmospheric · Surreal

What Remains of Edith Finch
Shared: Mystery · Atmospheric · Adventure

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

Firework
Shared: Puzzle · Horror · Mystery

Outer Wilds
Shared: Mystery · Puzzle · Adventure

The Mortuary Assistant
Shared: Horror · Mystery · Surreal

The Witness
Shared: Puzzle · Difficult · Atmospheric

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

Antichamber
Shared: Puzzle · Surreal · First-Person

Rusty Lake Paradise
Shared: Puzzle · Horror · Adventure

Little Nightmares II
Shared: Puzzle · Horror · Adventure

Fran Bow
Shared: Puzzle · Horror · Adventure

Little Nightmares
Shared: Horror · Puzzle · Atmospheric

Firewatch
Shared: Atmospheric · Adventure · Mystery

Return of the Obra Dinn
Shared: Puzzle · Mystery · Atmospheric

Endacopia
Shared: Surreal · Puzzle · Horror

INDIKA
Shared: Puzzle · Surreal · Horror

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

Inside the Backrooms
Shared: Puzzle · Horror · Adventure