Games like Starship Theory

86%Game Brain Score

gameplay, story

grinding, stability

86% User Score Based on 9,078 reviews

Embark on a space journey with your patched-together 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 sim.

16%Game Brain Score

gameplay, graphics

stability, story

16% User Score Based on 5,650 reviews

In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.

45%Game Brain Score

story, gameplay

stability, grinding

45% User Score Based on 1,184 reviews

Cast off! Cosmonautica is a fresh take on space trading in a procedurally generated universe, paired with quirky humor for your intergalactic enjoyment. Are you ready for some hilarious adventures in outer space? Start by boarding a washed-up space cruiser and fulfill your destiny as an aspiring captain on the hunt for fame and fortune. Cosmonautica combines elements of space trading and crew simu…

65%Game Brain Score

gameplay, graphics

stability, grinding

65% User Score Based on 699 reviews

Starmancer is a space station building game offering gameplay with consequences, a living sandbox environment, crafting, and managing the daily lives of colonists. Send crews out to mine on asteroids, trade with other factions, and explore old alien ruins. Obey protocol or go rogue as you take on the role of a powerful A.I.. Build bustling space ports, secret laboratories, and incubators for myste…

53%Game Brain Score

story, graphics

stability, grinding

53% User Score Based on 15,950 reviews

Osiris: New Dawn is an unforgiving near future space survival game with a cinematic feel and elements of horror. Play as a Mission Specialist in single or multiplayer to build your planetary base, pilotable vehicles, and controllable drones as you explore a dangerous solar system far from Earth.

67%Game Brain Score

gameplay, graphics

stability, story

67% User Score Based on 710 reviews

Celestial Command is a realistic sandbox space game which unites real space flight, real orbital mechanics, and all the fun of classic space action games. We want to show how games about space actually should look, without silly vacuum friction and the maximum speed limit. As in the real world, everything in this game is in continuous motion in orbit.Realistic Orbital Mechanic

60%Game Brain Score

gameplay, graphics

stability, story

60% User Score Based on 1,120 reviews

Buoyancy is a city-building strategy game where you build, manage, and move a floating city on an oceanic world. Explore and scavenge resources scattered around the endless waters. Keep your villagers nourished and happy while combating fires, sickness, and pirate attacks.

44%Game Brain Score

gameplay, graphics

story, stability

44% User Score Based on 502 reviews

Star Command Galaxies is the ultimate starship simulator. Become Captain and recruit your crew, build your ship, explore a randomly generated universe and battle alien ships across the galaxy.

79%Game Brain Score

gameplay, story

stability, optimization

79% User Score Based on 17,016 reviews

Get a great start into Empyrion - Galactic Survival with the Complete Edition! It includes the base game plus the Dark Faction DLC, where you must survive a terrible new threat to the galaxy.

74%Game Brain Score

graphics, gameplay

stability, grinding

74% User Score Based on 4,170 reviews

Gnomoria is a sandbox village management game where you help lead a small group of gnomes, who have set out on their own, to thrive into a bustling kingdom! Anything you see can be broken down and rebuilt elsewhere. Craft items, build structures, set traps and dig deep underground in search of precious resources to help your gnomes survive the harsh lands. Build your kingdom and stockpile wealth t…