Games like Moonwakers
Games like Moonwakers include Cairn, Warhammer 40,000: Space Marine 2, The Expanse: A Telltale Series, COCOON, and STAR WARS Jedi: Fallen Order™. We matched them by the tags players give Moonwakers on Steam (Stylized, Sci-fi, Choose Your Own Adventure, Lore-Rich, and Exploration): closest matches first, and among equally close ones the better-known games.

Cairn
Shared: Stylized · Exploration · Adventure

Warhammer 40,000: Space Marine 2
Shared: Sci-fi · Action-Adventure · PvE

The Expanse: A Telltale Series
Shared: Choose Your Own Adventure · Action-Adventure · Sci-fi

COCOON
Shared: Exploration · Stylized · Adventure

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Sci-fi · Exploration

Hyper Light Breaker
Shared: Stylized · Action-Adventure · Adventure

Lethal Company
Shared: Sci-fi · Exploration · PvE

Avorion
Shared: Exploration · Choose Your Own Adventure · Sci-fi

Crimson Desert Enhanced
Shared: Exploration · Adventure · Action-Adventure

The Callisto Protocol™
Shared: Sci-fi · Action-Adventure · PvE

The Alters
Shared: Sci-fi · Exploration · Action-Adventure

Sword of the Sea
Shared: Stylized · Exploration · Adventure

PRAGMATA
Shared: Sci-fi · Action-Adventure · Adventure

Starfield
Shared: Sci-fi · Exploration · Action-Adventure

The Talos Principle 2
Shared: Sci-fi · Exploration · Lore-Rich

Sonic Frontiers
Shared: Exploration · Adventure · Action-Adventure

Lorelei and the Laser Eyes
Shared: Exploration · Stylized · Adventure

STAR WARS Jedi: Survivor™
Shared: Sci-fi · Action-Adventure · Adventure

STARSEEKER: Astroneer Expeditions
Shared: Sci-fi · Exploration · Adventure

Star Trek: Voyager - Across the Unknown
Shared: Choose Your Own Adventure · Sci-fi · Exploration

Sable
Shared: Exploration · Choose Your Own Adventure · Stylized

A Plague Tale: Requiem
Shared: Action-Adventure · Exploration · Adventure

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

DEATH STRANDING 2: ON THE BEACH
Shared: Sci-fi · Exploration · Action-Adventure