Games like Zenith Realms
Games like Zenith Realms include Stray, COCOON, Chants of Sennaar, Outer Wilds, and Carto. We matched them by the tags players give Zenith Realms on Steam (Adventure, Stylized, 3D, Exploration, and Puzzle): closest matches first, and among equally close ones the better-known games.

Stray
Shared: Adventure · Atmospheric · Exploration

COCOON
Shared: Adventure · Exploration · Puzzle

Chants of Sennaar
Shared: Adventure · Puzzle · Stylized

Outer Wilds
Shared: Exploration · Adventure · Mystery

Carto
Shared: Exploration · Puzzle · Adventure

Slime Rancher
Shared: Adventure · Exploration · Cute

The Last Campfire
Shared: Adventure · Puzzle · Cute

The Witness
Shared: Exploration · Puzzle · Adventure

Slime Rancher 2
Shared: Cute · Adventure · Relaxing

My Little Puppy
Shared: Adventure · Cute · Atmospheric

Firewatch
Shared: Adventure · Atmospheric · Exploration

Journey
Shared: Adventure · Atmospheric · Exploration

Blue Prince
Shared: Puzzle · Exploration · Mystery

FAR: Lone Sails
Shared: Adventure · Atmospheric · Exploration

TOEM: A Photo Adventure
Shared: Adventure · Puzzle · Exploration

ABZU
Shared: Adventure · Exploration · Atmospheric

Monument Valley
Shared: Adventure · Puzzle · Exploration

The House of Da Vinci
Shared: Puzzle · Exploration · Adventure

Fallout 4
Shared: Adventure · Exploration · Atmospheric

Quern - Undying Thoughts
Shared: Adventure · Puzzle · Exploration

The Room 4: Old Sins
Shared: Adventure · Puzzle · Mystery

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

TUNIC
Shared: Exploration · Puzzle · Cute

The Room
Shared: Puzzle · Adventure · Atmospheric