Single-player games like The Universim
Below are 8 single-player Steam games similar to The Universim, 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 Universim page.
Ranked picks
- 1
SPORE™
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Strategy and Simulation with The Universim.
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.
- 2
RimWorld
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Strategy and Indie with The Universim.
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.
- 3
Surviving Mars
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Strategy and Simulation with The Universim.
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
WorldBox - God Simulator
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Indie and Simulation with The Universim.
WorldBox is the ULTIMATE god simulator and sandbox game. A petri dish for your fantasy civilizations. Create your own world or destroy it using many powers. Watch civilizations grow, form kingdoms, colonize new lands, sail to far continents, wars to ignite, empires to fall and towns to burn!
- 5
Foundation
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Strategy and Indie with The Universim.
Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.
- 6
Oxygen Not Included
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Indie and Simulation with The Universim.
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
Space Haven
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Strategy and Indie with The Universim.
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.
- 8
Going Medieval
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Strategy and Indie with The Universim.
Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.