Games like 90° North
Games like 90° North include Rust, Terraria, Once Human, Valheim, and Don't Starve Together. We matched them by the tags players give 90° North on Steam (Simulation, RPG, Adventure, Survival, and Exploration): closest matches first, and among equally close ones the better-known games.

Rust
Shared: Survival · Adventure · Sandbox

Terraria
Shared: Survival · Sandbox · Adventure

Once Human
Shared: Survival · Open World · Exploration

Valheim
Shared: Survival · Exploration · Adventure

Don't Starve Together
Shared: Survival · Adventure · Sandbox

7 Days to Die
Shared: Survival · Open World · Exploration

Core Keeper
Shared: Survival · Exploration · Sandbox

Sons Of The Forest
Shared: Survival · Open World · Adventure

Enshrouded
Shared: Survival · RPG · Adventure

The Forest
Shared: Survival · Adventure · Open World

Raft
Shared: Survival · Adventure · Building

Conan Exiles Enhanced
Shared: Survival · RPG · Open World

Scrap Mechanic
Shared: Survival · Sandbox · Building

Project Zomboid
Shared: Survival · Sandbox · Simulation

ARK: Survival Evolved
Shared: Survival · Adventure · Open World

The Long Dark
Shared: Survival · Exploration · Adventure

No Man's Sky
Shared: Exploration · Survival · Adventure

Stranded Deep
Shared: Survival · Adventure · Exploration

Palworld
Shared: Survival · Open World · Adventure

Satisfactory
Shared: Open World · Exploration · Sandbox

Empyrion - Galactic Survival
Shared: Simulation · Survival · Exploration

Portal Knights
Shared: Adventure · RPG · Sandbox

Far Cry® 5
Shared: Action-Adventure · Exploration · Open World

Dune: Awakening
Shared: Survival · Exploration · Adventure