Games like Master of Orion on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Master of Orion are available at the bottom of the page.
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Master of Orion 2
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
Sword of the Stars: Complete Collection
Sword of the Stars: Complete Collection is the original Sword of the Stars games and the three expansions Born of Blood, A Murder of Crows and Argos Naval Yard. It is the year 2405, and human scientists have discovered a new technology that allows travel from star to star at speeds faster than light.
Space Empires V
Space Empires V is the latest edition in the Space Empires series. This new chapter completely updates the UI and takes the player into a real-time rendered 3D universe. Watch space battles played out in glorious detail and realistic effects. Expand, Explore, Exploit, and Exterminate in a huge living breathing galaxy.
Master of Orion 1
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
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?
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.
Star Ruler 2
Massive scale 4X-RTS set in space. Control hundreds of planets, manipulate galactic politics, research numerous advanced technologies, and command thousands of units and hundreds of planets in your quest for galactic dominance.
Imperium Galactica II
Reintroducing a classic from the golden era of gaming, the original empire building space RTS, Imperium Galactica 2 is back and looking better than ever with new high-res textures and vivid colors.
Sid Meier's Alpha Centauri™ Planetary Pack
Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.
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.
Distant Worlds: Universe
Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.
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!
Sins of a Solar Empire II
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.
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.
Distant Worlds 2
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Battlestar Galactica Deadlock
In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival?
Sid Meier's Civilization® IV
With over 6 million units sold and unprecedented critical acclaim from fans and press around the world, Sid Meier's Civilization is recognized as one of the greatest PC game franchises of all-time. Now, Sid Meier and Firaxis Games will take this incredibly fun and addictive game to new heights by adding new ways to play and win, new...
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.
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.
Civilization IV: Beyond the Sword
Sid Meier's Civilization IV®: Beyond the Sword is the second expansion pack for Civilization IV - the 2005 PC Game of the Year that has become a worldwide hit.
Star Ruler
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
STAR WARS™ Rebellion
It is a time of great upheaval. The first Death Star has been destroyed, marking a major victory for the Rebellion. But the Empire remains strong. As commander, you must choose to take control of either the Rebel Alliance or the Galactic Empire. Your goal: complete domination of the galaxy.
Sid Meier's Civilization® III Complete
Sid Meier's Civilization III: Complete, the latest offering in the Sid Meier's Civilization III franchise, provides gaming fans with Sid Meier's Civilization III, the highly-addictive journey of discovery.
Civilization IV®: Warlords
Sid Meier's Civilization IV: Warlords is the first expansion pack for the award-winning game that has become an instant world-wide hit. Paying homage to some of history's greatest military leaders, the expansion delivers six unique and interesting scenarios, giving players the chance to change the course of history with the help of their...
Most played games like Master of Orion on Steam
Take a look at the top games like Master of Orion that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.
1. Sid Meier’s Civilization® VI
Similarity 58% Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time? Sid Meier’s Civilization® VI is a strategy, turn-based strategy and multiplayer game developed by Firaxis Games, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on October 20th 2016 has received 349,920 reviews of which 304,053 were positive and 45,867 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 Master of Orion, thanks to its 25,420 peak concurrent players over the last day.
8.6
304,053
45,867
25,420
players
2. Stellaris
Similarity 78% 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 185,433 reviews of which 159,527 were positive and 25,906 were negative resulting in a rating of 8.5 out of 10. While seeing 13,727 players online at once in the last 24 hours, this game is currently ranked #2 among games like Master of Orion based on player count.
8.5
159,527
25,906
13,727
players
3. Europa Universalis IV
Similarity 40% Rule your land and dominate the world with unparalleled freedom, depth and historical accuracy. Write a new history of the world and build an empire for the ages. Europa Universalis IV is a grand strategy, strategy and historical game developed by Paradox Development Studio and Paradox Tinto and published by Paradox Interactive. Released on August 13th 2013 has received 134,436 reviews of which 116,432 were positive and 18,004 were negative resulting in a rating of 8.6 out of 10. While seeing 12,445 players online at once in the last 24 hours, this game is currently ranked #3 among games like Master of Orion based on player count.
8.6
116,432
18,004
12,445
players
4. Sid Meier's Civilization® V
Similarity 62% Create, discover, and download new player-created maps, scenarios, interfaces, and more! Sid Meier's Civilization® V is a turn-based strategy, strategy and turn-based game developed by Firaxis Games, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on September 23rd 2010 has received 204,265 reviews of which 195,724 were positive and 8,541 were negative resulting in an impressive rating of 9.5 out of 10. With 12,206 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Master of Orion.
9.5
195,724
8,541
12,206
players
5. Total War: ROME II - Emperor Edition
Similarity 41% Emperor Edition is the definitive edition of ROME II, featuring an improved politics system, overhauled building chains, rebalanced battles and improved visuals in both campaign and battleEmperor Edition contains all free feature updates since its release in 2013, which includes bug fixes, balancing, Twitch. Total War: ROME II - Emperor Edition is a strategy, historical and turn-based strategy game developed by Creative Assembly and Feral Interactive and published by SEGA and Feral Interactive. Released on September 02nd 2013 has received 88,173 reviews of which 73,559 were positive and 14,614 were negative resulting in a rating of 8.2 out of 10. With 3,901 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Master of Orion.
8.2
73,559
14,614
3,901
players
6. STAR WARS™ Empire at War - Gold Pack
Similarity 64% Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld? STAR WARS™ Empire at War - Gold Pack is a strategy, rts and space game developed by Petroglyph and published by LucasArts, Lucasfilm and Disney. Released on May 25th 2010 has received 39,435 reviews of which 38,503 were positive and 932 were negative resulting in an impressive rating of 9.6 out of 10. With 2,818 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Master of Orion.
9.6
38,503
932
2,818
players
7. Total War: EMPIRE – Definitive Edition
Similarity 41% Command the seas, control the land, forge a new nation, and conquer the globe. Total War: EMPIRE – Definitive Edition is a strategy, historical and military game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on March 04th 2009 has received 35,480 reviews of which 32,211 were positive and 3,269 were negative resulting in a rating of 8.9 out of 10. With 2,028 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Master of Orion.
8.9
32,211
3,269
2,028
players
8. FTL: Faster Than Light
Similarity 54% This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat. FTL: Faster Than Light is a rogue-like, space and strategy game developed and published by Subset Games. Released on September 14th 2012 has received 75,052 reviews of which 71,561 were positive and 3,491 were negative resulting in an impressive rating of 9.4 out of 10. With 1,566 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Master of Orion.
9.4
71,561
3,491
1,566
players
9. Total War: WARHAMMER II
Similarity 40% Strategy gaming perfected. A breath-taking campaign of exploration, expansion and conquest across a fantasy world. Turn-based civilisation management and real-time epic strategy battles with thousands of troops and monsters at your command. Total War: WARHAMMER II is a strategy, fantasy and turn-based strategy game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on September 28th 2017 has received 124,252 reviews of which 114,776 were positive and 9,476 were negative resulting in an impressive rating of 9.1 out of 10. With 1,464 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Master of Orion.
9.1
114,776
9,476
1,464
players
10. BATTLETECH
Similarity 44% Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war. BATTLETECH is a mechs, strategy and turn-based tactics game developed by Harebrained Schemes and published by Paradox Interactive. Released on April 24th 2018 has received 31,563 reviews of which 26,438 were positive and 5,125 were negative resulting in a rating of 8.2 out of 10. With 1,446 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Master of Orion.
8.2
26,438
5,125
1,446
players
Best deals on games like Master of Orion on Steam
Discover fantastic savings with the best discounts on a variety of games like Master of Orion available on Steam right now, updated on June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Master of Orion.
1. EarthX
Similarity 41% EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars! EarthX is a simulation, indie and strategy game developed by Denis and Ry and published by Mesote Games. Released on July 12th 2023 has received 875 reviews of which 769 were positive and 106 were negative resulting in a rating of 8.3 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Master of Orion.
8.3
769
106
-99%
19.99€
0.29€
2. Battlestar Galactica Deadlock
Similarity 71% In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,460 reviews of which 2,906 were positive and 554 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Master of Orion.
8.1
2,906
554
-99%
38.99€
0.48€
3. Old World
Similarity 56% 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 4,673 reviews of which 3,841 were positive and 832 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Master of Orion.
8.0
3,841
832
-99%
39.99€
0.48€
4. Interstellar Space: Genesis
Similarity 76% 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! Interstellar Space: Genesis is a strategy, indie and 4x game developed and published by Praxis Games. Released on July 25th 2019 has received 772 reviews of which 648 were positive and 124 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Master of Orion.
7.9
648
124
-99%
27.99€
0.45€
5. Age of Wonders III
Similarity 50% Age of Wonders III is the long anticipated sequel to the award-winning strategy series. Delivering a unique mix of Empire Building, Role Playing and Warfare, Age of Wonders III offers the ultimate in turn-based fantasy strategy for veterans of the series and new players alike! Age of Wonders III is a strategy, turn-based strategy and fantasy game developed by Triumph Studios and published by Paradox Interactive. Released on March 31st 2014 has received 12,578 reviews of which 10,093 were positive and 2,485 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like Master of Orion.
7.9
10,093
2,485
-99%
29.99€
0.42€
6. Homeworld: Deserts of Kharak
Similarity 56% A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive. Homeworld: Deserts of Kharak is a strategy, rts and sci-fi game developed by Blackbird Interactive and published by Gearbox Publishing. Released on January 20th 2016 has received 8,519 reviews of which 6,789 were positive and 1,730 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 99% discount, this title has earned the #6 position in the best deals for games like Master of Orion.
7.8
6,789
1,730
-99%
45.99€
0.88€
7. Aven Colony
Similarity 42% Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world. Aven Colony is a colony sim, city builder and strategy game developed by Mothership Entertainment LLC and published by Team17 Digital Ltd. Released on July 25th 2017 has received 2,638 reviews of which 1,921 were positive and 717 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #7 position in the best deals for games like Master of Orion.
7.1
1,921
717
-99%
29.99€
0.47€
8. Distant Worlds 2
Similarity 72% Distant Worlds 2 is a vast, pausable real-time 4X space strategy game. Distant Worlds 2 is a strategy, simulation and 4x game developed by CodeForce and published by Slitherine Ltd.. Released on March 10th 2022 has received 3,237 reviews of which 2,304 were positive and 933 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #8 position in the best deals for games like Master of Orion.
6.9
2,304
933
-99%
48.99€
0.35€
9. XCOM: Enemy Unknown
Similarity 45% The XCOM: Enemy Unknown - Slingshot Pack is Now Available! XCOM: Enemy Unknown is a turn-based strategy, tactical and strategy game developed by Firaxis Games and Feral Interactive (Linux) and published by Feral Interactive (Linux) and 2K. Released on October 11th 2012 has received 56,414 reviews of which 52,717 were positive and 3,697 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Master of Orion.
9.2
52,717
3,697
-98%
19.99€
0.47€
10. BattleGroupVR
Similarity 48% BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship. BattleGroupVR is a space sim, space and vr game developed and published by SpaceOwl Games. Released on July 31st 2023 has received 902 reviews of which 834 were positive and 68 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Master of Orion.
8.7
834
68
-98%
20.99€
0.42€
Free games like Master of Orion on Steam
Check out this fantastic list of free-to-play games like Master of Orion you can enjoy on Steam right now, updated on June 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Master of Orion.
1. Star Trek Timelines
Similarity 51% Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek. Star Trek Timelines is a free to play, strategy and space game developed and published by Tilting Point. Released on July 12th 2017 has received 1,430 reviews of which 938 were positive and 492 were negative resulting in a rating of 6.4 out of 10. With 199 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Master of Orion.
6.4
938
492
199
players
2. Pixel Starships
Similarity 59% Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven. Pixel Starships is a sci-fi, space and strategy game developed and published by SavySoda. Released on May 23rd 2023 has received 2,732 reviews of which 2,008 were positive and 724 were negative resulting in a rating of 7.1 out of 10. Thanks to its free to play tag and a daily player base of 163, this game has secured the #2 spot in the ranking of free games like Master of Orion.
7.1
2,008
724
163
players
3. Hades' Star
Similarity 53% A unique space strategy game where thousands of players participate in one shared galaxy. Hades' Star is a free to play, space and strategy game developed and published by Parallel Space Inc. Released on February 27th 2019 has received 2,577 reviews of which 1,874 were positive and 703 were negative resulting in a rating of 7.1 out of 10. Thanks to its free to play tag and a daily player base of 148, this game has secured the #3 spot in the ranking of free games like Master of Orion.
7.1
1,874
703
148
players
4. Age of Conquest IV
Similarity 40% Age of Conquest is a turn-based grand strategy wargame. Age of Conquest IV is a free to play, strategy and turn-based strategy game developed and published by Noble Master LLC. Released on April 05th 2016 has received 2,748 reviews of which 2,242 were positive and 506 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #4 spot among the most played free games like Master of Orion.
7.9
2,242
506
17
players
5. Planet S
Similarity 56% Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction. Planet S is a strategy, city builder and multiplayer game developed and published by Glimmerlight Games. Released on October 28th 2023 has received 2,603 reviews of which 2,387 were positive and 216 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #5 spot among the most played free games like Master of Orion.
8.8
2,387
216
15
players
6. Istrolid
Similarity 47% In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers. Istrolid is a free to play, building and strategy game developed and published by treeform. Released on May 06th 2016 has received 2,662 reviews of which 2,325 were positive and 337 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #6 spot among the most played free games like Master of Orion.
8.4
2,325
337
6
players
7. Gods and Idols
Similarity 50% Take the role of a newly ascended deity in Gods and Idols. Carve your place among the stars in an open, dynamic, and massive MMORTS universe. Command the powers of the cosmos, form alliances, and use your worshipers as instruments to further your goals. Gods and Idols is a free to play, 4x and god game game developed and published by JatteGames. Released on December 12th 2016 has received 756 reviews of which 531 were positive and 225 were negative resulting in a rating of 6.8 out of 10. The game currently holds the #7 spot among the most played free games like Master of Orion.
6.8
531
225
6
players
8. Demise of Nations
Similarity 57% Demise of Nations is a 4X turn-based grand strategy wargame covering the rise of Rome till the fall of modern civilization. Demise of Nations is a free to play, strategy and indie game developed and published by Noble Master LLC. Released on August 08th 2017 has received 523 reviews of which 423 were positive and 100 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #8 spot among the most played free games like Master of Orion.
7.6
423
100
5
players
9. Galcon 2: Galactic Conquest
Similarity 41% Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game! Galcon 2: Galactic Conquest is a free to play, strategy and indie game developed and published by Hassey Enterprises and Inc.. Released on December 05th 2014 has received 859 reviews of which 719 were positive and 140 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #9 spot among the most played free games like Master of Orion.
7.9
719
140
4
players
10. Kepler-2100
Similarity 43% Kepler-2100 is a space fantasy strategy war game Kepler-2100 is a strategy, space and 3d platformer game developed and published by NCARD. Released on September 24th 2024 has received 427 reviews of which 342 were positive and 85 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #10 spot among the most played free games like Master of Orion.
7.5
342
85
3
players