Games like Ridge
Games like Ridge include Firewatch, The Stanley Parable, The Beginner's Guide, What Remains of Edith Finch, and Gone Home. We matched them by the tags players give Ridge on Steam (Adventure, Indie, First-Person, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · First-Person

The Stanley Parable
Shared: Indie · First-Person · Walking Simulator

The Beginner's Guide
Shared: Indie · Walking Simulator · First-Person

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

Gone Home
Shared: Indie · Walking Simulator · First-Person

Before Your Eyes
Shared: Indie · First-Person · Adventure

Blair Witch
Shared: Adventure · Indie · First-Person

Valley
Shared: Adventure · First-Person · Indie

Layers of Fear (2016)
Shared: Walking Simulator · First-Person · Indie

VERGE:Lost chapter
Shared: Indie · Adventure · Walking Simulator

NaissanceE
Shared: Indie · Adventure · Walking Simulator

Among the Sleep - Enhanced Edition
Shared: Indie · Adventure · First-Person

A Story About My Uncle
Shared: Adventure · First-Person · Indie

The Hat Man: Shadow Ward
Shared: Indie · Adventure · First-Person

Obduction
Shared: Adventure · Indie · First-Person

Jazzpunk: Director's Cut
Shared: Indie · Adventure · First-Person

The Beast Inside
Shared: Adventure · First-Person · Indie

Spooky's Jump Scare Mansion: HD Renovation
Shared: Indie · Adventure · First-Person

Conarium
Shared: Adventure · Indie · Walking Simulator

The Witness
Shared: First-Person · Indie · Adventure

Leaving Lyndow
Shared: Adventure · Indie · Walking Simulator

The Forgotten City
Shared: Adventure · Indie · First-Person

Journey
Shared: Adventure · Indie · Walking Simulator

