Games like Cat Island Petrichor
Games like Cat Island Petrichor include Stray, Copycat, Firewatch, Gothic 1 Remake, and Spirit of the North. We matched them by the tags players give Cat Island Petrichor on Steam (Adventure, Walking Simulator, Exploration, Immersive Sim, and 3D): closest matches first, and among equally close ones the better-known games.

Stray
Shared: Adventure · Exploration · Cute

Copycat
Shared: Adventure · Emotional · Walking Simulator

Firewatch
Shared: Adventure · Walking Simulator · Exploration

Gothic 1 Remake
Shared: Adventure · Exploration · Third Person

Spirit of the North
Shared: Adventure · Exploration · Walking Simulator

Tomb Raider Game of the Year
Shared: Adventure · Third Person · Exploration

God of War
Shared: Adventure · Third Person · Exploration

DEATH STRANDING DIRECTOR'S CUT
Shared: Walking Simulator · Adventure · Exploration

Fallout 4
Shared: Exploration · Adventure · RPG

Slime Rancher
Shared: Adventure · Exploration · Cute

The Witcher 3: Wild Hunt — Remastered
Shared: Adventure · RPG · Atmospheric

Hogwarts Legacy
Shared: Adventure · Exploration · RPG

Rise of the Tomb Raider™
Shared: Adventure · Exploration · Third Person

My Little Puppy
Shared: Adventure · Cute · Emotional

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

Millennium Dream
Shared: Adventure · Walking Simulator · Exploration

Baby Steps
Shared: Walking Simulator · Adventure · Exploration

A Plague Tale: Requiem
Shared: Adventure · Exploration · Third Person

The Exit 8
Shared: Exploration · Walking Simulator · Immersive Sim

Hello Kitty Island Adventure
Shared: Adventure · Cute · Exploration

Journey
Shared: Adventure · Exploration · Walking Simulator

Crimson Desert Enhanced
Shared: Adventure · Exploration · Third Person

Wuthering Waves
Shared: Adventure · Exploration · 3D

DEATH STRANDING 2: ON THE BEACH
Shared: Exploration · Walking Simulator · Adventure