Games like Draugen
Games like Draugen include Firewatch, What Remains of Edith Finch, Return of the Obra Dinn, Outer Wilds, and The Room. We matched them by the tags players give Draugen on Steam (Story Rich, Mystery, Atmospheric, First-Person, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Story Rich · Atmospheric · Mystery

What Remains of Edith Finch
Shared: Story Rich · Atmospheric · Mystery

Return of the Obra Dinn
Shared: Mystery · Story Rich · Atmospheric

Outer Wilds
Shared: Mystery · Story Rich · Atmospheric

The Room
Shared: Mystery · Atmospheric · Singleplayer

Sally Face - Episode One
Shared: Story Rich · Indie · Mystery

The Room Two
Shared: Mystery · Atmospheric · Puzzle

The White Door
Shared: Indie · Mystery · Adventure

The Room Three
Shared: Mystery · Atmospheric · Adventure

Poppy Playtime
Shared: Singleplayer · First-Person · Mystery

Cube Escape Collection
Shared: Mystery · Story Rich · Puzzle

Blue Prince
Shared: Mystery · Story Rich · Singleplayer

Layers of Fear (2016)
Shared: Atmospheric · Story Rich · First-Person

MiSide
Shared: Story Rich · First-Person · Singleplayer

The Beginner's Guide
Shared: Story Rich · Atmospheric · First-Person

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

The Room 4: Old Sins
Shared: Mystery · Story Rich · Adventure

Unheard - Voices of Crime
Shared: Mystery · Story Rich · Detective

Chants of Sennaar
Shared: Singleplayer · Adventure · Indie

Sherlock Holmes: The Devil's Daughter
Shared: Story Rich · Mystery · Adventure

Amnesia: A Machine For Pigs
Shared: Story Rich · Atmospheric · First-Person

Little Nightmares
Shared: Atmospheric · Singleplayer · Adventure

The Talos Principle
Shared: Story Rich · First-Person · Atmospheric

Murders on the Yangtze River
Shared: Story Rich · Mystery · Detective