Single-player games like Belt Colony
Below are 8 single-player Steam games similar to Belt Colony, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Belt Colony page.
Ranked picks
- 1
Utopia Colony
Single-player alternative to Belt Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Belt Colony.
The year is 2033. You, an ex-Marine with little opportunities left, have signed up with Utopia Arura, a large mining corporation on Mars. They have sent you to a location they have proposed but you have chosen for mining. Everything else is up to you.
- 2
Rank: Warmaster
Single-player alternative to Belt Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Belt Colony.
Stranded on Mars with next to nothing, build a city, assemble a fleet, and expand your empire to survive a hostile solar system in this new take that combines elements of space combat and RTS inspired by the classics.
- 3
ExoColony: Planet Survival
Single-player alternative to Belt Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Belt Colony.
Challenging space-colony sim. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply. Maintain a breathable atmosphere, tackle pollution, and refine materials to build essential structures. Terraform planet and build ecosystem to make it your new home.
- 4
HAS Galactics
Single-player alternative to Belt Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Belt Colony.
HAS Galactics is a top-down factory builder. Design your own rocket, automate your production lines, balance your reputation between the Galactic Factions and complete daring missions. Start from a humble beginning… to a thriving galactic mega-factory!
- 5
Stellar Settlers: Space Base Builder
Single-player alternative to Belt Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Belt Colony.
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
- 6
Surviving Mars
Single-player alternative to Belt Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Belt Colony.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 7
Space Company Simulator
Single-player alternative to Belt Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Belt Colony.
Take the position of a CEO of a space transport company and become a new major player in the industry. Space Company Simulator is a realistic management sim game that will challenge your planning skills as you strive to launch the first manned mission to Mars.
- 8
Surviving Mars: Pioneer
Single-player alternative to Belt Colony — playable solo, no multiplayer required. Shares Adventure and Simulation with Belt Colony.
The Red Planet is vast, desolate, and utterly indifferent to your survival. Surviving Mars: Pioneer is the first made-for-VR entry in the Surviving Mars universe, challenging you to carve out an existence in one of the most hostile environments imaginable.