Games like What happened on the Moon?
Games like What happened on the Moon? include Outer Wilds, What Remains of Edith Finch, Firewatch, Until Then, and OPUS: Echo of Starsong - Full Bloom Edition. We matched them by the tags players give What happened on the Moon? on Steam (Walking Simulator, Visual Novel, Exploration, Side Scroller, and 2D): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Exploration · Space · Mystery

What Remains of Edith Finch
Shared: Walking Simulator · Exploration · Mystery

Firewatch
Shared: Walking Simulator · Exploration · Adventure

Until Then
Shared: Visual Novel · Pixel Graphics · 2D

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · 2D · Exploration

Terraria
Shared: 2D · Pixel Graphics · Exploration

Rain World
Shared: Exploration · Pixel Graphics · 2D

Tacoma
Shared: Walking Simulator · Exploration · Sci-fi

Urban Myth Dissolution Center
Shared: Visual Novel · Pixel Graphics · Exploration

The Forgotten City
Shared: Exploration · Walking Simulator · Mystery

OneShot
Shared: Pixel Graphics · Indie · Exploration

Exo One
Shared: Exploration · Walking Simulator · Space

UNREAL LIFE
Shared: Pixel Graphics · Side Scroller · Exploration

Tales of the Black Forest
Shared: Pixel Graphics · Visual Novel · Indie

A Bird Story
Shared: Indie · Pixel Graphics · 2D

No Man's Sky
Shared: Exploration · Space · Sci-fi

Deliver Us The Moon
Shared: Indie · Sci-fi · Space

OMORI
Shared: Pixel Graphics · Indie · 2D

Gone Home
Shared: Walking Simulator · Exploration · Indie

Sanfu
Shared: 2D · Visual Novel · Mystery

Starfield
Shared: Exploration · Space · Sci-fi

ANIMAL WELL
Shared: Exploration · Pixel Graphics · 2D

Axiom Verge
Shared: Pixel Graphics · Indie · 2D

Cosmoteer: Starship Architect & Commander
Shared: Sci-fi · 2D · Exploration