Single-player games like Galactic Civilizations IV
Below are 18 single-player Steam games similar to Galactic Civilizations IV, 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 Galactic Civilizations IV page.
Ranked picks
- 1
ENDLESS™ Legend 2
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.
- 2
Old World
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?
- 3
Galactic Civilizations® II: Ultimate Edition
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy with Galactic Civilizations IV.
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
- 4
Sins of a Solar Empire®: Rebellion
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
- 5
Galactic Civilizations III
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy with Galactic Civilizations IV.
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
- 6
ZEPHON
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy with Galactic Civilizations IV.
From the developers of Warhammer 40,000: Gladius, ZEPHON is a post-apocalyptic 4X strategy game built on Proxy’s unique tactical combat system. Guide survivors through a turbulent future, navigating unexpected disasters, eldritch horror and cyberpunk monstrosities. What will you do to survive?
- 7
Sid Meier's Civilization VII
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
The award-winning strategy game franchise returns with a revolutionary new chapter. Sid Meier's Civilization® VII empowers you to build the greatest empire the world has ever known!
- 8
Terra Invicta
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
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.
- 9
Stellaris
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
- 10
Master of Orion
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy with Galactic Civilizations IV.
The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.
- 11
Idle Civilization
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
Take command of a pair of villagers and help them build a mighty civilization that will spread across the world and conquer it. Idle Civilization is a civilization builder management game where you will oversee the growth of your people into a mighty kingdom through building, research, warfare, religion, diplomacy, culture, heroic...
- 12
Stars
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Simulation with Galactic Civilizations IV.
《Stars》is a VR game about stars. you can completely relax, look up at the sky and listen to the story of each constellation.
- 13
Sins of a Solar Empire II
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
- 14
Tiny Civilization
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy with Galactic Civilizations IV.
This is a historical simulation game that promotes the development of civilization based on the match-3 Game. You'll need to gather resources, use skills, discover new technology, and lead humanbeing through a 10,000-year journey to the cosmos.
- 15
Ashes of the Singularity: Escalation
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.
- 16
Star Control®: Origins
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Simulation with Galactic Civilizations IV.
Star Control is a space role-playing game in which you command Earth's first interstellar starship on a mission to save the Earth from hostile alien empires.
- 17
Fallen Enchantress: Legendary Heroes
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy with Galactic Civilizations IV.
Fallen Enchantress is 4X strategy game from the makers of Sins of a Solar Empire and Galactic Civilizations. Build a civilization in the magical world of Elemental. Recruit heroes, train armies, build cities, forge alliances and save the world in this rich world where it's never the same game twice.
- 18
The Political Machine 2020
Single-player alternative to Galactic Civilizations IV — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Civilizations IV.
Win the hearts and minds of America’s voters and take the 2020 presidential election by storm in Stardock’s popular political strategy game. Choose a candidate and run against a computer opponent or a candidate controlled by another person over the Internet.