Games like No Man's Sky
Games like No Man's Sky include ASTRONEER, Subnautica, Terraria, The Forest, and Rust. We matched them by the tags players give No Man's Sky on Steam (Open World, Space, Open World Survival Craft, Exploration, and Sci-fi): closest matches first, and among equally close ones the better-known games.

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

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

Terraria
Shared: Open World Survival Craft · Survival · Multiplayer

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

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

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

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

Starbound
Shared: Open World Survival Craft · Space · Survival

Elite Dangerous
Shared: Space · Open World · Exploration

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

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

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

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

Breathedge
Shared: Space · Open World Survival Craft · Survival

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

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

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

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

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

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

Empyrion - Galactic Survival
Shared: Space · Open World Survival Craft · Open World

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

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

Core Keeper
Shared: Open World · Exploration · Survival