Games like Polar Bear Game
Games like Polar Bear Game include Rust, Scrap Mechanic, ARK: Survival Evolved, Raft, and Valheim. We matched them by the tags players give Polar Bear Game on Steam (Survival, Procedural Generation, Choose Your Own Adventure, Sandbox, and Open World): closest matches first, and among equally close ones the better-known games.

Rust
Shared: Survival · Open World · Crafting

Scrap Mechanic
Shared: Survival · Sandbox · Building

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

Raft
Shared: Survival · Open World · Building

Valheim
Shared: Survival · Open World · Building

ARK: Survival Ascended
Shared: Survival · Open World · Base Building

Core Keeper
Shared: Survival · Open World · Sandbox

Enshrouded
Shared: Survival · Open World · Base Building

The Forest
Shared: Survival · Open World · Building

Sons Of The Forest
Shared: Survival · Open World · Base Building

Kenshi
Shared: Survival · Sandbox · Open World

Terraria
Shared: Survival · Sandbox · Building

Satisfactory
Shared: Open World · Base Building · Crafting

Palworld
Shared: Survival · Open World · Crafting

Conan Exiles Enhanced
Shared: Survival · Open World · Building

Project Zomboid
Shared: Survival · Open World · Sandbox

Once Human
Shared: Survival · Open World · Building

Medieval Dynasty
Shared: Survival · Building · Crafting

V Rising
Shared: Survival · Open World · Base Building

7 Days to Die
Shared: Survival · Open World · Base Building

Factorio
Shared: Sandbox · Base Building · Survival

Space Engineers
Shared: Survival · Sandbox · Building

Don't Starve Together
Shared: Survival · Open World · Sandbox

ASTRONEER
Shared: Survival · Open World · Sandbox