Single-player games like Astrominer
Below are 8 single-player Steam games similar to Astrominer, 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 Astrominer page.
Ranked picks
- 1
Star Boss
Single-player alternative to Astrominer — playable solo, no multiplayer required. Shares Indie and Casual with Astrominer.
Make robots and spaceships,explore the space,fight with aliens.
- 2
Planet Miners
Single-player alternative to Astrominer — playable solo, no multiplayer required. Shares Indie and Adventure with Astrominer.
Control a mining robot and dig for mineral resources on various planets. Transport the valuable ores with your spaceship. Buy or craft upgrades to improve your tools. Defend yourself against the dangers of each planet to mine even the most valuable treasures!
- 3
Astrox Imperium
Single-player alternative to Astrominer — playable solo, no multiplayer required. Shares Indie and Adventure with Astrominer.
Astrox Imperium is a relaxing space game where you fly around a generated universe. Mining, Fighting, Building, Exploring, and Surviving. What makes this game unique? You have complete control of how it plays. A robust sandbox and lots of MOD tools. Make it your game, and play it your own way.
- 4
Interstellar Rift
Single-player alternative to Astrominer — playable solo, no multiplayer required. Shares Indie with Astrominer.
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
- 5
Astrox: Hostile Space Excavation
Single-player alternative to Astrominer — playable solo, no multiplayer required. Shares Indie and Adventure with Astrominer.
Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.
- 6
Drifter
Single-player alternative to Astrominer — playable solo, no multiplayer required. Shares Indie with Astrominer.
Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.
- 7
Outerverse
Single-player alternative to Astrominer — playable solo, no multiplayer required. Shares Indie and Adventure with Astrominer.
Build automated machines and weapons across the universe, beat massive bosses, experience cosmic events and explore unique landmarks in this quest driven automation crafting adventure game. Includes a manual scenario for crafting instead of machines for those not a fan of logic/automation!
- 8
SPORE™
Single-player alternative to Astrominer — playable solo, no multiplayer required. Shares Adventure with Astrominer.
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.