Games like ShapeCycle
Games like ShapeCycle include Outer Wilds, The Long Dark, This War of Mine, Stray, and Satisfactory. We matched them by the tags players give ShapeCycle on Steam (Adventure, Strategy, Puzzle, Choose Your Own Adventure, and Exploration): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Adventure · Exploration · Puzzle

The Long Dark
Shared: Exploration · Adventure · Atmospheric

This War of Mine
Shared: Strategy · Atmospheric · Simulation

Stray
Shared: Adventure · Atmospheric · Exploration

Satisfactory
Shared: Base Building · Adventure · Exploration

Firewatch
Shared: Adventure · Atmospheric · Exploration

FAR: Lone Sails
Shared: Adventure · Atmospheric · Exploration

Sable
Shared: Adventure · Exploration · Atmospheric

Blue Prince
Shared: Puzzle · Exploration · Adventure

The Witness
Shared: Puzzle · Exploration · Adventure

Rise of the Tomb Raider™
Shared: Adventure · Exploration · Puzzle

Chants of Sennaar
Shared: Adventure · Puzzle · Atmospheric

The Forest
Shared: Adventure · Exploration · Crafting

Word Game
Shared: Puzzle · Strategy · Choose Your Own Adventure

Big Walk
Shared: Puzzle · Adventure · Exploration

Subnautica
Shared: Exploration · Adventure · Crafting

Fallout 4
Shared: Adventure · Exploration · Atmospheric

COCOON
Shared: Adventure · Puzzle · Exploration

Sons Of The Forest
Shared: Adventure · Base Building · Exploration

MOLE
Shared: Adventure · Puzzle · Simulation

Don't Starve Together
Shared: Adventure · Crafting · Open World

DREDGE
Shared: Adventure · Exploration · Atmospheric

Once Human
Shared: Exploration · Adventure · Open World

RiME
Shared: Adventure · Puzzle · Exploration