Games like There Was the Moon
Games like There Was the Moon include Antichamber, Moncage, A Story About My Uncle, The Room, and Firewatch. We matched them by the tags players give There Was the Moon on Steam (Adventure, Indie, Casual, Atmospheric, and First-Person): closest matches first, and among equally close ones the better-known games.

Antichamber
Shared: Indie · First-Person · Puzzle

Moncage
Shared: Indie · Casual · Adventure

A Story About My Uncle
Shared: Adventure · Indie · First-Person

The Room
Shared: Adventure · Atmospheric · Puzzle

Firewatch
Shared: Adventure · Atmospheric · First-Person

Superliminal
Shared: First-Person · Surreal · Puzzle

Call of the Sea
Shared: Adventure · First-Person · Indie

LIMBO
Shared: Indie · Adventure · Atmospheric

Obduction
Shared: Adventure · Indie · First-Person

GRIS
Shared: Indie · Atmospheric · Adventure

Fatum Betula
Shared: Adventure · Indie · Casual

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

NaissanceE
Shared: Indie · Atmospheric · Adventure

The Witness
Shared: First-Person · Indie · Puzzle

Brothers - A Tale of Two Sons
Shared: Adventure · Atmospheric · Indie

The Unfinished Swan
Shared: Adventure · Indie · Puzzle

Gorogoa
Shared: Indie · Puzzle · Atmospheric

Viewfinder
Shared: First-Person · Adventure · Puzzle

OneShot
Shared: Indie · Atmospheric · Adventure

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

The Room Two
Shared: Atmospheric · Adventure · Puzzle

Detention
Shared: Indie · Atmospheric · Adventure

Morphopolis
Shared: Indie · Adventure · Casual

Manifold Garden
Shared: Surreal · First-Person · Puzzle