Games like Lone Traveler
Games like Lone Traveler include Terraria, DAVE THE DIVER, The Forest, Starbound, and Core Keeper. We matched them by the tags players give Lone Traveler on Steam (Adventure, Arcade, Platformer, Exploration, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Adventure · Survival · Pixel Graphics

DAVE THE DIVER
Shared: Adventure · Pixel Graphics · Exploration

The Forest
Shared: Adventure · Survival · Exploration

Starbound
Shared: Adventure · Survival · Pixel Graphics

Core Keeper
Shared: Exploration · Survival · Pixel Graphics

Rain World
Shared: Exploration · Survival · Platformer

Once Human
Shared: Survival · Exploration · Action

Forager
Shared: Pixel Graphics · Survival · Adventure

FEZ
Shared: Platformer · Exploration · Pixel Graphics

A Short Hike
Shared: Adventure · Exploration · Relaxing

Rust
Shared: Survival · Adventure · Building

Valheim
Shared: Survival · Exploration · Adventure

Rise of the Tomb Raider™
Shared: Adventure · Exploration · Action

The Long Dark
Shared: Survival · Exploration · Adventure

Disney Dreamlight Valley
Shared: Adventure · Exploration · Relaxing

Portal Knights
Shared: Adventure · Survival · Exploration

Doloc Town
Shared: Platformer · Pixel Graphics · Adventure

ARK: Survival Evolved
Shared: Survival · Adventure · Building

Sonic Origins
Shared: Adventure · Platformer · Pixel Graphics

Dune: Awakening
Shared: Exploration · Adventure · Survival

Conan Exiles Enhanced
Shared: Survival · Adventure · Building

Stranded Deep
Shared: Survival · Adventure · Exploration

Ori and the Will of the Wisps
Shared: Platformer · Adventure · Exploration

Far Cry® Primal
Shared: Adventure · Survival · Action