Single-player games like The Spatials
Below are 12 single-player Steam games similar to The Spatials, 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 The Spatials page.
Ranked picks
- 1
The Spatials: Galactology
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Indie and Simulation with The Spatials.
The Spatials are back with Galactology! Design, build and protect your colony station from the many enemies you will make while exploring the galaxy and exploding their homeworlds.
- 2
Stellar Settlers: Space Base Builder
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Indie and Simulation with The Spatials.
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
Outworld Station
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Indie and Simulation with The Spatials.
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.
- 4
Corsair Cove
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Simulation with The Spatials.
Build a sprawling pirate haven, raise a fleet to explore the high seas, and take on the Crown to keep the Age of Piracy alive! From ale to flintlock pistols, and from scallywags to swashbucklers, you’ll need to manage complex production chains and govern a rowdy crew to reign supreme over the seas!
- 5
Startopia
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Simulation with The Spatials.
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
- 6
Oxygen Not Included
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Indie and Simulation with The Spatials.
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
- 7
Guardians of the Sanctree
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Indie with The Spatials.
You and allies, avian inhabitants of Sanctree City, build structures and production lines on the tree, crafting weapons to fend off subterranean insects. Defense is just the start—dig deeper, destroy nests, fortify new defenses against escalating threats for an impregnable stronghold.
- 8
Whiskerwood
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Simulation with The Spatials.
Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.
- 9
The Bureau: XCOM Declassified
Single-player alternative to The Spatials — playable solo, no multiplayer required.
The year is 1962 and the Cold War has the nation gripped by fear. A top-secret government unit called The Bureau begins investigating a series of mysterious attacks by an enemy more powerful than communism.
- 10
RimWorld
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Indie and Simulation with The Spatials.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 11
Deep Space
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Indie and RPG with The Spatials.
You are entrusted with the role of one of the elite captains, put on a high-tech mech suit suitable for travel into space and go on an exciting journey.
- 12
NIMBY Rails
Single-player alternative to The Spatials — playable solo, no multiplayer required. Shares Simulation with The Spatials.
Design and run your own railroads for the real world. Solve global transportation dilemmas. Unleash your inner railway engineer and transit policy manager.