Single-player games like Asteroid Colony
Below are 8 single-player Steam games similar to Asteroid 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 Asteroid Colony page.
Ranked picks
- 1
Possible One: Lunar Industries
Single-player alternative to Asteroid Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Asteroid Colony.
Stake your claim in the first realistic lunar colony management game! Use proven, real-world technologies to plan and grow your colony, mine resources, ship them to Earth, and keep the board of directors happy in this science-based colony sim.
- 2
Stellar Settlers: Space Base Builder
Single-player alternative to Asteroid Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Asteroid 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.
- 3
Surviving Mars
Single-player alternative to Asteroid Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Asteroid 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.
- 4
Space Haven
Single-player alternative to Asteroid Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Asteroid Colony.
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
- 5
Northgard: Definitive Edition
Single-player alternative to Asteroid Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Asteroid Colony.
Northgard: Definitive Edition is a critically acclaimed real-time strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne!
- 6
Stronghold: Definitive Edition
Single-player alternative to Asteroid Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Asteroid Colony.
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
- 7
Imagine Earth
Single-player alternative to Asteroid Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Asteroid Colony.
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
- 8
Pioneers of Pagonia
Single-player alternative to Asteroid Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Asteroid Colony.
Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.