Games like StaudSoft's Synthetic World Beta
Games like StaudSoft's Synthetic World Beta include Terraria, Rust, The Forest, No Man's Sky, and ARK: Survival Evolved. We matched them by the tags players give StaudSoft's Synthetic World Beta on Steam (Survival, Open World Survival Craft, Indie, Sandbox, and Crafting): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Open World Survival Craft · Survival · Sandbox

Rust
Shared: Survival · Open World Survival Craft · Crafting

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

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

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

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

Valheim
Shared: Survival · Open World Survival Craft · Crafting

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

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

Raft
Shared: Survival · Open World Survival Craft · Crafting

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

Subnautica
Shared: Survival · Open World Survival Craft · Crafting

Project Zomboid
Shared: Survival · Open World Survival Craft · Sandbox

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

Starbound
Shared: Open World Survival Craft · Survival · Sandbox

Conan Exiles Enhanced
Shared: Survival · Open World Survival Craft · Open World

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

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

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

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

Forager
Shared: Open World Survival Craft · Survival · Indie

Core Keeper
Shared: Survival · Open World · Sandbox

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

Necesse
Shared: Open World Survival Craft · Survival · Sandbox