Games like Fatum Betula
Games like Fatum Betula include Firewatch, Mouthwashing, Layers of Fear (2016), What Remains of Edith Finch, and The Witness. We matched them by the tags players give Fatum Betula on Steam (Indie, Adventure, Casual, Retro, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Atmospheric · Indie

Mouthwashing
Shared: Indie · Retro · Atmospheric

Layers of Fear (2016)
Shared: Atmospheric · Indie · Horror

What Remains of Edith Finch
Shared: Atmospheric · Adventure · First-Person

The Witness
Shared: Indie · First-Person · Atmospheric

[Chillas Art] The Convenience Store
Shared: Indie · Adventure · Casual

No one lives under the lighthouse Director's cut
Shared: Indie · Adventure · Atmospheric

Outer Wilds
Shared: Adventure · Atmospheric · Indie

The Room
Shared: Adventure · Atmospheric · Indie

The Beginner's Guide
Shared: Indie · Atmospheric · Adventure

Poppy Playtime
Shared: Horror · First-Person · Indie

Little Nightmares
Shared: Adventure · Atmospheric · Indie

Outlast
Shared: Atmospheric · First-Person · Horror

Moncage
Shared: Indie · Casual · Adventure

Detention
Shared: Indie · Atmospheric · Adventure

Fears to Fathom - Woodbury Getaway
Shared: Adventure · Casual · Atmospheric

Scanner Sombre
Shared: Adventure · Atmospheric · Indie

NaissanceE
Shared: Indie · Atmospheric · Adventure

Among the Sleep - Enhanced Edition
Shared: Indie · Adventure · Atmospheric

Stray
Shared: Adventure · Atmospheric · Indie

Fears to Fathom® - Scratch Creek
Shared: Adventure · Casual · Horror

Antichamber
Shared: Indie · First-Person · Surreal

Endacopia
Shared: Adventure · Surreal · Horror

Obduction
Shared: Adventure · Indie · First-Person