Games like Terraform Inc
Games like Terraform Inc include Garry's Mod, Kerbal Space Program, Totally Accurate Battle Simulator, Dyson Sphere Program, and shapez 2 - Factory. We matched them by the tags players give Terraform Inc on Steam (Building, Simulation, Physics, Strategy, and Automation): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Building · Physics · Sandbox

Kerbal Space Program
Shared: Simulation · Physics · Building

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Strategy

Dyson Sphere Program
Shared: Building · Automation · Simulation

shapez 2 - Factory
Shared: Building · Automation · Strategy

Space Engineers
Shared: Building · Simulation · Sandbox

Stormworks: Build and Rescue
Shared: Building · Physics · Sandbox

Cities: Skylines
Shared: Simulation · Building · Strategy

Hardspace: Shipbreaker
Shared: Simulation · Physics · Sci-fi

Jurassic World Evolution
Shared: Building · Simulation · Strategy

House Flipper
Shared: Simulation · Building · Sandbox

Poly Bridge
Shared: Building · Simulation · Physics

Besiege
Shared: Simulation · Physics · Building

MineMogul
Shared: Building · Physics · Automation

People Playground
Shared: Physics · Sandbox · Simulation

PC Building Simulator
Shared: Simulation · Building · Sandbox

Bridge Constructor Portal
Shared: Simulation · Building · Physics

SimplePlanes
Shared: Building · Physics · Sandbox

Poly Bridge 2
Shared: Building · Physics · Simulation

Stationeers
Shared: Physics · Automation · Building

Planet Coaster
Shared: Building · Simulation · Strategy

Prison Architect
Shared: Building · Simulation · Strategy

Teardown
Shared: Physics · Sandbox · Indie

Jurassic World Evolution 2
Shared: Building · Simulation · Strategy