Single-player games like SpaceDominator
Below are 9 single-player Steam games similar to SpaceDominator, 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 SpaceDominator page.
Ranked picks
- 1
Solar Imperium
Single-player alternative to SpaceDominator — playable solo, no multiplayer required. Shares Strategy and Simulation with SpaceDominator.
Crash-land on an unknown world and build your settlement hex by hex across its entire globe. Then take it to the stars: a real-time grand strategy game where you zoom from one colony's roads out to a galaxy held by ancient powers that play by the same rules you do.
- 2
Starship Colony
Single-player alternative to SpaceDominator — playable solo, no multiplayer required. Shares Strategy and Adventure with SpaceDominator.
A deep starship colony sim. Build your starship, manage air, water, food, fuel, energy, temperature and psychology to keep your crew alive across vast distances. Closed-loop system in space. Mining, wiring, plumbing, in-ship factory, (alien?) radio signals & translation, diplomacy, combat, and more.
- 3
Project Longshot
Single-player alternative to SpaceDominator — playable solo, no multiplayer required. Shares Adventure and Simulation with SpaceDominator.
Launch from a familiar world into a 1:1 scale solar system of beautiful, unforgiving planets. Colonise, mine, and explore real places that people may walk upon within your lifetime. Project Longshot hands you a space program and asks only one question. How far can your program go?
- 4
SpaceCraft
Single-player alternative to SpaceDominator — playable solo, no multiplayer required. Shares Adventure and Simulation with SpaceDominator.
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
- 5
X3: Terran Conflict
Single-player alternative to SpaceDominator — playable solo, no multiplayer required. Shares Strategy and Simulation with SpaceDominator.
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
- 6
Cosmonautica
Single-player alternative to SpaceDominator — playable solo, no multiplayer required. Shares Strategy and Adventure with SpaceDominator.
Cosmonautica is a fresh take on space trading in a procedurally generated universe, paired with quirky humor for your intergalactic enjoyment.
- 7
X3: Reunion
Single-player alternative to SpaceDominator — playable solo, no multiplayer required. Shares Strategy with SpaceDominator.
X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.
- 8
Space Station Tycoon
Single-player alternative to SpaceDominator — playable solo, no multiplayer required. Shares Strategy and Simulation with SpaceDominator.
Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.
- 9
Landlord Simulator
Single-player alternative to SpaceDominator — playable solo, no multiplayer required. Shares Strategy and Simulation with SpaceDominator.
You’re buying your first apartment and stepping into the world of real estate. Buy properties, rent them out, take care of your tenants, and keep your apartments in good condition. Be careful who you let move in, build your empire, watch the market, and become the most successful property owner.