Single-player games like The Universim
Below are 9 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
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.
- 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
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.
- 4
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.
- 5
Dwarf Fortress
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Strategy and Indie with The Universim.
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.
- 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
Kingdoms and Castles
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Strategy and Indie with The Universim.
Kingdoms and Castles is a city-building simulation game about growing a kingdom from a tiny hamlet to a sprawling city and imposing castle. Make trade agreements, alliance, and war with neighboring AI controlled kingdoms. Each villager and resource is individually simulated.
- 8
Endzone - A World Apart
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Strategy and Indie with The Universim.
Endzone is a post-apocalyptic survival city builder, where you start a new civilization with a group of people after an ecological disaster. Build them a new home and ensure their survival in a shattered world, threatened by constant radiation, toxic rain, sandstorms and droughts.
- 9
Autonomica
Single-player alternative to The Universim — playable solo, no multiplayer required. Shares Indie and Simulation with The Universim.
Autonomica is an open-world survival automation game driven by time travel. Explore a fractured island, build automated farms and machinery, and travel into the future to extract rare technology and resources. Work with surviving engineers to unravel temporal anomalies and capture dangerous Phantoms