Single-player games like Astro Colony
Below are 10 single-player Steam games similar to Astro 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 Astro Colony page.
Ranked picks
- 1
Satisfactory
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Astro Colony.
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
- 2
Oddsparks: An Automation Adventure
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Astro Colony.
Oddsparks is a blend of automation and real-time strategy for both the die-hard fans of the automation genre and the automation-curious. Explore a strange fantasy world, uncover the mysteries of the past, automate your workshops, and go on adventures with your odd & adorable Sparks!
- 3
Factorio
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Astro Colony.
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
- 4
Occupy Mars: The Game
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Indie and Adventure with Astro Colony.
Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.
- 5
shapez 2 - Factory
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Astro Colony.
Dive into a factory-building game with the focus on just that – building huge space factories! Design sprawling multi-level factories and satisfying production lines without limits. Tackle progressively challenging automation goals at your own pace, without the threat of enemies.
- 6
Captain of Industry
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Astro Colony.
Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.
- 7
The Crust
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Astro Colony.
Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.
- 8
InfraSpace
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Strategy and Indie with Astro Colony.
Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain.
- 9
Raft
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Indie and Adventure with Astro Colony.
Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!
- 10
Minecraft: Story Mode - A Telltale Games Series
Single-player alternative to Astro Colony — playable solo, no multiplayer required. Shares Adventure with Astro Colony.
Episode 1 is now FREE - for a limited time! In Minecraft: Story Mode, playing as either a male or female hero named 'Jesse,' you’ll embark on a perilous adventure across the Overworld, through the Nether, to the End, and beyond.