Games like Initial Civilization
Games like Initial Civilization include Rust, The Forest, Terraria, Space Engineers, and Don't Starve Together. We matched them by the tags players give Initial Civilization on Steam (Adventure, Survival, Simulation, RPG, and Space): closest matches first, and among equally close ones the better-known games.

Rust
Shared: Survival · Crafting · Adventure

The Forest
Shared: Survival · Adventure · Crafting

Terraria
Shared: Survival · Adventure · Sandbox

Space Engineers
Shared: Survival · Simulation · Space

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

Conan Exiles Enhanced
Shared: Survival · Building · Open World

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

Project Zomboid
Shared: Survival · Open World · Crafting

Empyrion - Galactic Survival
Shared: Simulation · Survival · Space

Scrap Mechanic
Shared: Survival · Building · Adventure

Raft
Shared: Survival · Crafting · Adventure

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

Kenshi
Shared: Survival · RPG · Open World

Starbound
Shared: Survival · Adventure · Space

Valheim
Shared: Survival · Building · Open World

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

Kerbal Space Program
Shared: Simulation · Space · Building

Palworld
Shared: Survival · Open World · Adventure

Enshrouded
Shared: Survival · Adventure · Open World

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

The Long Dark
Shared: Survival · Adventure · Open World

My Time at Portia
Shared: RPG · Simulation · Adventure

Once Human
Shared: Survival · Open World · Building

Don't Starve
Shared: Survival · Adventure · Crafting

