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
Planet Architect
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with GalactiWar - Empire Simulator.
A planet-building sandbox where you create entire worlds from the ground up. Generate unique planets, shape vast landscapes, and use interconnected simulations inspired by real-world processes to bring your fantasy planet to life.
- 2
The Stars Are Never Still
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with GalactiWar - Empire Simulator.
The Stars Are Never Still is a 2D space sandbox. Shape a galaxy and watch 16 unique races colonize, trade, ally, betray and wage war. Observe, or intervene with technology, aid, discord, disasters, new life—even black holes. Chronicle millennia of history. No set goals. No empire lasts forever.
- 3
Civitas: World Simulator
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Simulation with GalactiWar - Empire Simulator.
Civitas: World Simulator is a deep historical-fantasy simulation where nations will dynamically rise, fall, and evolve. In this game we model internal forces like ethnicity, culture, language and other inner political struggles.
- 4
Terra Invicta
Single-player alternative to GalactiWar - Empire Simulator — playable solo, no multiplayer required. Shares Simulation with GalactiWar - Empire Simulator.
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
- 5
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?
- 6
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.
- 7
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.
- 8
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.
- 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.