Games like Periphery Synthetic
Games like Periphery Synthetic include Euro Truck Simulator 2, DAVE THE DIVER, The Long Dark, No Man's Sky, and Eastshade. We matched them by the tags players give Periphery Synthetic on Steam (Metroidvania, Exploration, Walking Simulator, Relaxing, and Music-Based Procedural Generation): closest matches first, and among equally close ones the better-known games.

Euro Truck Simulator 2
Shared: Exploration · Relaxing · Open World

DAVE THE DIVER
Shared: Exploration · Relaxing · Adventure

The Long Dark
Shared: Exploration · Open World · Crafting

No Man's Sky
Shared: Exploration · Open World · Procedural Generation

Eastshade
Shared: Exploration · Relaxing · Open World

EVE Online
Shared: Exploration · Space Sim · Open World

ABZU
Shared: Relaxing · Exploration · Adventure

Hello Kitty Island Adventure
Shared: Exploration · Relaxing · Open World

Big Walk
Shared: Exploration · Relaxing · Open World

Supraland
Shared: Exploration · Metroidvania · Adventure

Dreaming Sarah
Shared: Metroidvania · Exploration · Walking Simulator

Disney Dreamlight Valley
Shared: Relaxing · Exploration · Adventure

Exo One
Shared: Exploration · Relaxing · Walking Simulator

American Truck Simulator
Shared: Exploration · Relaxing · Open World

Elite Dangerous
Shared: Exploration · Space Sim · Open World

Submerged
Shared: Exploration · Relaxing · Walking Simulator

Journey
Shared: Exploration · Relaxing · Walking Simulator

Subnautica
Shared: Exploration · Crafting · Open World

Core Keeper
Shared: Exploration · Crafting · Open World

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

The Witness
Shared: Exploration · Walking Simulator · Open World

Firewatch
Shared: Walking Simulator · Exploration · Adventure

Hollow Knight
Shared: Metroidvania · Exploration · Adventure

ANIMAL WELL
Shared: Metroidvania · Exploration · Adventure