Games like Space Bob vs. The Replicons
Games like Space Bob vs. The Replicons include Terraria, Rust, The Forest, Scrap Mechanic, and Enshrouded. We matched them by the tags players give Space Bob vs. The Replicons on Steam (Survival, Open World, Action RPG, Sandbox, and Physics): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Survival · Sandbox · Open World

Rust
Shared: Survival · Open World · Crafting

The Forest
Shared: Survival · Open World · Crafting

Scrap Mechanic
Shared: Survival · Sandbox · Open World

Enshrouded
Shared: Survival · Open World · Crafting

Starbound
Shared: Survival · Sandbox · Open World

Valheim
Shared: Survival · Open World · Crafting

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

Space Engineers
Shared: Survival · Sandbox · Open World

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

Conan Exiles Enhanced
Shared: Survival · Open World · Sandbox

ARK: Survival Ascended
Shared: Survival · Open World · Sandbox

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

Core Keeper
Shared: Survival · Open World · Sandbox

Palworld
Shared: Survival · Open World · Crafting

Don't Starve
Shared: Survival · Sandbox · Crafting

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

Project Zomboid
Shared: Survival · Open World · Sandbox

Satisfactory
Shared: Open World · Crafting · Sandbox

Once Human
Shared: Open World · Survival · Crafting

The Long Dark
Shared: Survival · Open World · Sandbox

Kenshi
Shared: Open World · Survival · Sandbox

Factorio
Shared: Sandbox · Resource Management · Survival

Forager
Shared: Survival · Sandbox · Crafting