Single-player games like GalactiWar - Empire Simulator
Below are 9 single-player Steam games similar to GalactiWar - Empire Simulator, 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 GalactiWar - Empire Simulator page.
Ranked picks
- 1
Asteroid Colony
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with GalactiWar - Empire Simulator.
In this real time strategy city builder game you will help humanity in reaching beyond earth by establishing a permanent and thriving settlement in the asteroid belt. Settling in space comes with enormous challenges and dangers, which you will have to guide your people through
- 2
Stellar Industrialist
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Simulation with GalactiWar - Empire Simulator.
You are neither a general nor a soldier — you are a Stellar Industrialist. To you, peace is nothing but shutdowns and losses. Venture to the frontlines, strip battlefields for wreckage and salvage, turn spoils into resources, and expand your interstellar arms empire.
- 3
The End of History
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with GalactiWar - Empire Simulator.
A historical sandbox simulation where every NPC lives their own life. They don't wait for you—they ally, marry, betray, and die. Kingdoms rise and fall by someone's will. Sometimes you shape history, sometimes it sweeps you away—an observer of a once-in-a-lifetime story that only you can witness.
- 4
Cosmonautica
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with GalactiWar - Empire Simulator.
Cosmonautica is a fresh take on space trading in a procedurally generated universe, paired with quirky humor for your intergalactic enjoyment.
- 5
Possible One: Lunar Industries
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with GalactiWar - Empire Simulator.
Stake your claim in the first realistic lunar colony management game! Use proven, real-world technologies to plan and grow your colony, mine resources, ship them to Earth, and keep the board of directors happy in this science-based colony sim.
- 6
Imagine Earth
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with GalactiWar - Empire Simulator.
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
- 7
Rocket Science
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Simulation with GalactiWar - Empire Simulator.
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.
- 8
Lord of Rigel
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with GalactiWar - Empire Simulator.
Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?
- 9
Guns, Blocks, and Steel
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Indie with GalactiWar - Empire Simulator.
A tactical multiplayer FPS created by a solo developer as a passion project. Featuring a fully destructible, block-based environment. Gather resources to produce weapons, ammo, and vehicles. Play multiplayer PVP/co-op or singleplayer with bots.