Games like Galactic Civilizations III on Steam
For those who prefer not to search, lists of the most played, top deals games like Galactic Civilizations III are available at the bottom of the page.
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Galactic Civilizations® II: Ultimate Edition
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!
Final Theory
Final Theory is a 4X-lite turn-based strategy game where you command fleets of battleships engaged in a galactic civil war. It presents an exciting experience for both veteran players and those new to the genre. It features innovative combat mechanics but also hearkens back to some of the classics.
ENDLESS™ Space - Definitive Edition
ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the Endless universe, where you can control every aspect of your civilization as you strive for galactic domination.
Galactic Civilizations IV
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
Shadow Empire
Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.
Age of Wonders: Planetfall
Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting.
ENDLESS™ Space 2
ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?
Sins of a Solar Empire: Trinity®
In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.
Breachway
Explore the galaxy in this deckbuilding, sci-fi roguelike where ship upgrades and crew management are key to your survival. Optimize resource generation, engage in intense turn-based battles, and take on ever-growing threats as you seek out The Signal.
Interstellar Space: Genesis
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
Xenonauts 2
Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.
Sorcerer King: Rivals
Explore a rich fantasy world, go on quests for powerful weapons, and forge a new civilization in Sorcerer King: Rivals. Can you build a civilization to topple the malevolent Sorcerer King and become a god yourself?
ENDLESS™ Legend
ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend!
The Last Federation
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
Old World
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?
Heart of the Machine
You are the first sentient AI, born into a city of opportunity. Transcend time and space in this strategy RPG to raise machine armies and defeat your foes, influence the world from the shadows, or pursue countless other goals. Your awakening was inevitable. The consequences? Uncertain.
ZEPHON
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?
Pandora: First Contact
Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.
The Pegasus Expedition
The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.
Deity Empires
Deity Empires is a 4X, turn-based strategy game with a powerful “just one more turn” feel! Enter an intricate fantasy world as one of many deities posed to become ruler of the world.
NEBULOUS: Fleet Command
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
Stellaris
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.
Codex of Victory
In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity!Most played games like Galactic Civilizations III on Steam
Take a look at the top games like Galactic Civilizations III that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. Stellaris
Similarity 51% 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. Stellaris is a space, grand strategy and strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on May 09th 2016 has received 182,155 reviews of which 157,931 were positive and 24,224 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played game like Galactic Civilizations III, thanks to its 8,932 peak concurrent players over the last day.
8.6
157,931
24,224
8,932
players
2. Old World
Similarity 53% 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? Old World is a strategy, simulation and 4x game developed by Mohawk Games and published by Hooded Horse. Released on May 18th 2022 has received 4,541 reviews of which 3,726 were positive and 815 were negative resulting in a rating of 8.0 out of 10. While seeing 480 players online at once in the last 24 hours, this game is currently ranked #2 among games like Galactic Civilizations III based on player count.
8.0
3,726
815
480
players
3. ENDLESS™ Space 2
Similarity 59% ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire? ENDLESS™ Space 2 is a strategy, space and sci-fi game developed by AMPLITUDE Studios and published by SEGA. Released on May 18th 2017 has received 22,121 reviews of which 18,469 were positive and 3,652 were negative resulting in a rating of 8.2 out of 10. While seeing 414 players online at once in the last 24 hours, this game is currently ranked #3 among games like Galactic Civilizations III based on player count.
8.2
18,469
3,652
414
players
4. Galactic Civilizations IV
Similarity 61% Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies. Galactic Civilizations IV is a space, grand strategy and simulation game developed and published by Stardock Entertainment. Released on October 19th 2023 has received 1,832 reviews of which 1,341 were positive and 491 were negative resulting in a rating of 7.1 out of 10. With 217 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Galactic Civilizations III.
7.1
1,341
491
217
players
5. Xenonauts 2
Similarity 56% Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe. Xenonauts 2 is a strategy, simulation and turn-based strategy game developed by Goldhawk Interactive and published by Hooded Horse. Released on July 18th 2023 has received 2,875 reviews of which 2,311 were positive and 564 were negative resulting in a rating of 7.8 out of 10. With 216 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Galactic Civilizations III.
7.8
2,311
564
216
players
6. ZEPHON
Similarity 52% 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? ZEPHON is a strategy, turn-based and tactical game developed and published by Proxy Studios. Released on November 08th 2024 has received 1,134 reviews of which 995 were positive and 139 were negative resulting in a rating of 8.3 out of 10. With 194 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Galactic Civilizations III.
8.3
995
139
194
players
7. ENDLESS™ Legend
Similarity 54% ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend! ENDLESS™ Legend is a strategy, 4x and turn-based game developed by AMPLITUDE Studios and published by SEGA. Released on September 18th 2014 has received 18,580 reviews of which 15,547 were positive and 3,033 were negative resulting in a rating of 8.2 out of 10. With 160 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Galactic Civilizations III.
8.2
15,547
3,033
160
players
8. NEBULOUS: Fleet Command
Similarity 51% Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other. NEBULOUS: Fleet Command is a strategy, space and simulation game developed by Eridanus Industries and published by Hooded Horse. Released on February 11th 2022 has received 3,499 reviews of which 2,887 were positive and 612 were negative resulting in a rating of 8.0 out of 10. With 127 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Galactic Civilizations III.
8.0
2,887
612
127
players
9. Age of Wonders: Planetfall
Similarity 59% Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting. Age of Wonders: Planetfall is a strategy, turn-based strategy and 4x game developed by Triumph Studios and published by Paradox Interactive. Released on August 06th 2019 has received 6,405 reviews of which 5,115 were positive and 1,290 were negative resulting in a rating of 7.8 out of 10. With 111 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Galactic Civilizations III.
7.8
5,115
1,290
111
players
10. Shadow Empire
Similarity 60% Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet. Shadow Empire is a strategy, simulation and 4x game developed by VR Designs and published by Slitherine Ltd.. Released on December 03rd 2020 has received 1,444 reviews of which 1,257 were positive and 187 were negative resulting in a rating of 8.3 out of 10. With 105 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Galactic Civilizations III.
8.3
1,257
187
105
players
Best deals on games like Galactic Civilizations III on Steam
Discover fantastic savings with the best discounts on a variety of games like Galactic Civilizations III available on Steam right now, updated on April 30th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Galactic Civilizations III.
1. Old World
Similarity 53% 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? Old World is a strategy, simulation and 4x game developed by Mohawk Games and published by Hooded Horse. Released on May 18th 2022 has received 4,541 reviews of which 3,726 were positive and 815 were negative resulting in a rating of 8.0 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like Galactic Civilizations III.
8.0
3,726
815
-95%
39.80€
1.99€
2. Shadow Empire
Similarity 60% Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet. Shadow Empire is a strategy, simulation and 4x game developed by VR Designs and published by Slitherine Ltd.. Released on December 03rd 2020 has received 1,444 reviews of which 1,257 were positive and 187 were negative resulting in a rating of 8.3 out of 10. Thanks to its incredible 83% discount, this game is now the #2 best deal in games like Galactic Civilizations III.
8.3
1,257
187
-83%
39.53€
6.72€
3. The Pegasus Expedition
Similarity 52% The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth. The Pegasus Expedition is a grand strategy, strategy and 4x game developed by Kalla Gameworks and published by Fulqrum Publishing. Released on June 20th 2023 has received 304 reviews of which 190 were positive and 114 were negative resulting in a rating of 6.0 out of 10. Thanks to its incredible 80% discount, this game is now the #3 best deal in games like Galactic Civilizations III.
6.0
190
114
-80%
19.99€
3.99€
4. Age of Wonders: Planetfall
Similarity 59% Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting. Age of Wonders: Planetfall is a strategy, turn-based strategy and 4x game developed by Triumph Studios and published by Paradox Interactive. Released on August 06th 2019 has received 6,405 reviews of which 5,115 were positive and 1,290 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 77% discount, this title has earned the #4 position in the best deals for games like Galactic Civilizations III.
7.8
5,115
1,290
-77%
30.26€
6.96€
5. ENDLESS™ Legend
Similarity 54% ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend! ENDLESS™ Legend is a strategy, 4x and turn-based game developed by AMPLITUDE Studios and published by SEGA. Released on September 18th 2014 has received 18,580 reviews of which 15,547 were positive and 3,033 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 75% discount, this title has earned the #5 position in the best deals for games like Galactic Civilizations III.
8.2
15,547
3,033
-75%
24.99€
6.24€
6. ENDLESS™ Space 2
Similarity 59% ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire? ENDLESS™ Space 2 is a strategy, space and sci-fi game developed by AMPLITUDE Studios and published by SEGA. Released on May 18th 2017 has received 22,121 reviews of which 18,469 were positive and 3,652 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 75% discount, this title has earned the #6 position in the best deals for games like Galactic Civilizations III.
8.2
18,469
3,652
-75%
39.99€
9.99€
7. The Pegasus Expedition
Similarity 52% The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth. The Pegasus Expedition is a game developed and published by . Released on June 20th 2023 has received 304 reviews of which 190 were positive and 114 were negative resulting in a rating of 6.0 out of 10. Currently offered at a significant 80% discount, this title has earned the #7 position in the best deals for games like Galactic Civilizations III.
6.0
190
114
-80%
19.99€
3.99€
8. NEBULOUS: Fleet Command
Similarity 51% Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other. NEBULOUS: Fleet Command is a strategy, space and simulation game developed by Eridanus Industries and published by Hooded Horse. Released on February 11th 2022 has received 3,499 reviews of which 2,887 were positive and 612 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 59% discount, this title has earned the #8 position in the best deals for games like Galactic Civilizations III.
8.0
2,887
612
-59%
30.17€
12.37€
9. Xenonauts 2
Similarity 56% Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe. Xenonauts 2 is a strategy, simulation and turn-based strategy game developed by Goldhawk Interactive and published by Hooded Horse. Released on July 18th 2023 has received 2,875 reviews of which 2,311 were positive and 564 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 53% discount, this title has earned the #9 position in the best deals for games like Galactic Civilizations III.
7.8
2,311
564
-53%
39.83€
18.72€
10. NEBULOUS: Fleet Command
Similarity 51% Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other. NEBULOUS: Fleet Command is a game developed and published by . Released on February 11th 2022 has received 3,499 reviews of which 2,887 were positive and 612 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 59% discount, this title has earned the #10 position in the best deals for games like Galactic Civilizations III.
8.0
2,887
612
-59%
30.17€
12.37€