Games like Puzzle Park 2
Games like Puzzle Park 2 include The Witness, Outer Wilds, Big Walk, Firewatch, and Slime Rancher. We matched them by the tags players give Puzzle Park 2 on Steam (Adventure, Puzzle, Exploration, First-Person, and Colorful): closest matches first, and among equally close ones the better-known games.

The Witness
Shared: Puzzle · Exploration · First-Person

Outer Wilds
Shared: Exploration · Adventure · Puzzle

Big Walk
Shared: Puzzle · Exploration · Adventure

Firewatch
Shared: Adventure · First-Person · Atmospheric

Slime Rancher
Shared: Adventure · Exploration · First-Person

Islands of Insight
Shared: Puzzle · Exploration · Puzzle Platformer

Supraland
Shared: Exploration · Adventure · Puzzle Platformer

Fallout 4
Shared: Exploration · Adventure · Open World

Chants of Sennaar
Shared: Adventure · Puzzle · Colorful

Blue Prince
Shared: Puzzle · Exploration · First-Person

Stray
Shared: Adventure · Exploration · Atmospheric

COCOON
Shared: Adventure · Puzzle · Exploration

Antichamber
Shared: Puzzle · First-Person · Exploration

Riven
Shared: Adventure · Puzzle · Exploration

The Long Dark
Shared: Exploration · Open World · Adventure

The Talos Principle
Shared: Puzzle · First-Person · Adventure

Slime Rancher 2
Shared: Adventure · Colorful · First-Person

Viewfinder
Shared: Puzzle · First-Person · Puzzle Platformer

Eastshade
Shared: Adventure · Exploration · Open World

Quern - Undying Thoughts
Shared: Adventure · Puzzle · Exploration

Murders on the Yangtze River
Shared: Puzzle · Adventure · Exploration

What Remains of Edith Finch
Shared: Adventure · First-Person · Exploration

Obduction
Shared: Adventure · Puzzle · Exploration

RiME
Shared: Adventure · Puzzle · Exploration