Single-player games like Astronomics
Below are 12 single-player Steam games similar to Astronomics, 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 Astronomics page.
Ranked picks
- 1
Star Valor
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Indie with Astronomics.
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
- 2
Outworld Station
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Strategy and Indie with Astronomics.
Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.
- 3
ΔV: Rings of Saturn
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Indie with Astronomics.
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
- 4
Space Trash Scavenger
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Indie with Astronomics.
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
- 5
Dome Keeper
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Indie with Astronomics.
Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!
- 6
Vanguard Galaxy
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Strategy and Indie with Astronomics.
A relaxing game about space exploration that can be played full screen or at the bottom of your screen. Trade, fight, mine and salvage your way through a procedurally generated galaxy. Let the game idle while your autopilot handles business and builds your fortune.
- 7
MineMogul
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Strategy and Indie with Astronomics.
Design and build a factory deep underground in this physics-based automation sandbox. Mine resources, buy machines and master the chaos as you become the ultimate Mine Mogul!
- 8
Star Ores Inc.
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Indie and Simulation with Astronomics.
Take over an abandoned space station and manage your own ore mine. Cut through the asteroid with your laser, sell ore, and create an automated network of robot helpers to maximize your profit.
- 9
No Man's Sky
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action with Astronomics.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 10
Surviving Mars
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Strategy and Simulation with Astronomics.
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.
- 11
Hardspace: Shipbreaker
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Simulation with Astronomics.
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
- 12
Light Fingers
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Indie with Astronomics.
Light Fingers is a magical mechanical board game where thieves compete in a test of skills to prove who among them is the most deft!