Games like Under A New Sun
Games like Under A New Sun include Subnautica, The Forest, The Long Dark, Raft, and ARK: Survival Evolved. We matched them by the tags players give Under A New Sun on Steam (Open World Survival Craft, Survival, Open World, Early Access, and Crafting): closest matches first, and among equally close ones the better-known games.

Subnautica
Shared: Open World Survival Craft · Survival · Open World

The Forest
Shared: Open World Survival Craft · Survival · Open World

The Long Dark
Shared: Open World Survival Craft · Survival · Open World

Raft
Shared: Survival · Open World Survival Craft · Open World

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

Valheim
Shared: Open World Survival Craft · Survival · Open World

Subnautica: Below Zero
Shared: Open World Survival Craft · Survival · Open World

Stranded Deep
Shared: Open World Survival Craft · Survival · Open World

No Man's Sky
Shared: Open World Survival Craft · Open World · Survival

Terraria
Shared: Open World Survival Craft · Survival · Crafting

Rust
Shared: Survival · Open World Survival Craft · Open World

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

Green Hell
Shared: Open World Survival Craft · Survival · Open World

Palworld
Shared: Survival · Open World · Open World Survival Craft

Sunkenland
Shared: Open World Survival Craft · Survival · Open World

ASTRONEER
Shared: Open World Survival Craft · Open World · Survival

Don't Starve
Shared: Open World Survival Craft · Survival · Crafting

ICARUS
Shared: Open World Survival Craft · Survival · Open World

Dune: Awakening
Shared: Open World Survival Craft · Survival · Exploration

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

Satisfactory
Shared: Open World · Base Building · Crafting

Once Human
Shared: Open World · Survival · Open World Survival Craft

Grounded
Shared: Survival · Open World Survival Craft · Open World

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