Games like Sins of a Solar Empire®: Rebellion on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Sins of a Solar Empire®: Rebellion are available at the bottom of the page.

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Planetary Annihilation: TITANS

Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!

Similarity 62%
Price -70% 7.62€
Rating 8.3
Release 18 Aug 2015

DEFCON

Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.

Similarity 61%
Price -60% 3.90€
Rating 8.4
Release 29 Sep 2006

Exogate Initiative

Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.

Similarity 61%
Price -25% 18.85€
Rating 7.0
Release 28 Jan 2025

Millennia

Create your own nation in Millennia, a historical turn-based 4X game that challenges your strategic prowess across 10,000 years of history, from the dawn of humanity to our possible futures.

Similarity 61%
Price -60% 15.99€
Rating 6.7
Release 26 Mar 2024

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.

Similarity 61%
Price -83% 6.72€
Rating 8.3
Release 03 Dec 2020

EMERGENCY 20

Coordinate your team of first responders in the anniversary edition of EMERGENCY! Featuring 10 remastered classic EMERGENCY missions and three full campaigns, EMERGENCY 20 is the complete package for both experienced and new rescue commanders!

Similarity 61%
Price 29.99€
Rating 8.1
Release 31 Oct 2017

Sid Meier’s Civilization® VI

Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time?

Similarity 61%
Price 59.99€
Rating 8.6
Release 20 Oct 2016

Reshaping Mars

「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.

Similarity 60%
Price 8.19€
Rating 8.0
Release 30 Mar 2023

Conan Unconquered

From the Command & Conquer veterans at Petroglyph comes the first ever survival RTS set in the savage world of Conan the Barbarian. Play solo or team up in multiplayer in Conan Unconquered’s action-packed co-op Mode where you build a shared stronghold and fend off the hordes together.

Similarity 60%
Price -72% 5.52€
Rating 6.7
Release 29 May 2019

Startopia

A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...

Similarity 60%
Price 5.69€
Rating 8.5
Release 10 Oct 2013

AI War: Fleet Command

"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...

Similarity 60%
Price 9.75€
Rating 7.9
Release 21 Oct 2009

Victoria 3

Paradox Development Studio invites you to build your ideal society in the tumult of the exciting and transformative 19th century. Balance the competing interests in your society and earn your place in the sun in Victoria 3, one of the most anticipated games in Paradox’s history.

Similarity 60%
Price 49.99€
Rating 6.6
Release 25 Oct 2022

Oxygen Not Included

Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.

Similarity 60%
Price 22.99€
Rating 9.5
Release 30 Jul 2019

Crusader Kings III

Love, fight, scheme, and claim greatness. Determine your noble house’s legacy in the sprawling grand strategy of Crusader Kings III. Death is only the beginning as you guide your dynasty’s bloodline in the rich and larger-than-life simulation of the Middle Ages.

Similarity 59%
Price -78% 11.15€
Rating 8.9
Release 01 Sep 2020

Knights of Honor II: Sovereign

Become the king and fight over Europe in this fresh take on medieval real-time grand strategy. Manage provinces, gather armies, initiate diplomacy, and dabble in espionage. The path is open: become the true Sovereign of your people and bring them to glory.

Similarity 59%
Price 44.99€
Rating 7.5
Release 06 Dec 2022

Great Houses of Calderia

Great Houses of Calderia is a Feudal Grand Strategy game focusing on family dynamics & stories. Use your family strengths to compete against rivals to rise in the ranks of Calderia - produce, trade, scheme, bribe, and battle to build your legacy of power!

Similarity 58%
Price 24.50€
Rating 6.4
Release 02 May 2024

Revival: Recolonization

Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience.

Similarity 58%
Price -91% 2.49€
Rating 6.9
Release 11 Apr 2024

STAR WARS™ Empire at War - Gold Pack

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?

Similarity 58%
Price -75% 4.87€
Rating 9.6
Release 25 May 2010

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.

Similarity 58%
Price -42% 17.49€
Rating 8.7
Release 31 Jan 2025

Good Company

Good Company is an in-depth management sim about building a trail-blazing tech corporation. Assemble complex production lines, manage employee logistics, and sell high-quality products on the market to become the best company in the whole county!

Similarity 57%
Price -47% 12.14€
Rating 7.1
Release 21 Jun 2022

Halo Wars: Definitive Edition

Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.

Similarity 57%
Price -75% 4.99€
Rating 8.8
Release 20 Apr 2017

Hearts of Iron IV

Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history.

Similarity 57%
Price -74% 10.53€
Rating 8.8
Release 06 Jun 2016

Elite Dangerous

Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic.

Similarity 57%
Price -79% 4.17€
Rating 7.7
Release 02 Apr 2015

Rogue State Revolution

Greetings your Excellency. Time to rebuild, reform and prepare for new challenges in the People's Republic of Basenji. In this thrilling political strategy, you will appoint ministers and lead the country to success. Be careful — you may find yourself replaced in the next election.

Similarity 57%
Price -92% 1.00€
Rating 7.3
Release 18 Mar 2021

Most played games like Sins of a Solar Empire®: Rebellion on Steam

Take a look at the top games like Sins of a Solar Empire®: Rebellion that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.

1. Hearts of Iron IV

Similarity 57% Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history. Hearts of Iron IV is a strategy, world war ii and grand strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on June 06th 2016 has received 337,948 reviews of which 301,552 were positive and 36,396 were negative resulting in a rating of 8.8 out of 10. The game has hit the top spot as the #1 most played game like Sins of a Solar Empire®: Rebellion, thanks to its 23,200 peak concurrent players over the last day.
8.8
301,552
36,396

23,200
players

2. Sid Meier’s Civilization® VI

Similarity 61% 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 347,827 reviews of which 302,129 were positive and 45,698 were negative resulting in a rating of 8.6 out of 10. While seeing 17,726 players online at once in the last 24 hours, this game is currently ranked #2 among games like Sins of a Solar Empire®: Rebellion based on player count.
8.6
302,129
45,698

17,726
players

3. Crusader Kings III

Similarity 59% Love, fight, scheme, and claim greatness. Determine your noble house’s legacy in the sprawling grand strategy of Crusader Kings III. Death is only the beginning as you guide your dynasty’s bloodline in the rich and larger-than-life simulation of the Middle Ages. Crusader Kings III is a strategy, medieval and grand strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on September 01st 2020 has received 124,402 reviews of which 112,414 were positive and 11,988 were negative resulting in a rating of 8.9 out of 10. While seeing 15,811 players online at once in the last 24 hours, this game is currently ranked #3 among games like Sins of a Solar Empire®: Rebellion based on player count.
8.9
112,414
11,988

15,811
players

4. Sid Meier's Civilization® V

Similarity 54% 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 203,684 reviews of which 195,180 were positive and 8,504 were negative resulting in an impressive rating of 9.5 out of 10. With 11,528 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Sins of a Solar Empire®: Rebellion.
9.5
195,180
8,504

11,528
players

5. Europa Universalis IV

Similarity 70% 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 133,611 reviews of which 115,671 were positive and 17,940 were negative resulting in a rating of 8.6 out of 10. With 10,317 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Sins of a Solar Empire®: Rebellion.
8.6
115,671
17,940

10,317
players

6. Stellaris

Similarity 79% 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. With 8,932 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Sins of a Solar Empire®: Rebellion.
8.6
157,931
24,224

8,932
players

7. Age of Empires IV: Anniversary Edition

Similarity 51% Celebrating its first year of delighting millions of global players, the award-winning and best-selling strategy franchise continues with Age of Empires IV: Anniversary Edition, putting you at the center of even more epic historical battles that shaped the world. Age of Empires IV: Anniversary Edition is a strategy, rts and base-building game developed by Relic Entertainment, Forgotten Empires, Climax Studios and World's Edge and published by Xbox Game Studios. Released on October 28th 2021 has received 79,372 reviews of which 68,281 were positive and 11,091 were negative resulting in a rating of 8.5 out of 10. With 7,302 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Sins of a Solar Empire®: Rebellion.
8.5
68,281
11,091

7,302
players

8. Elite Dangerous

Similarity 57% Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic. Elite Dangerous is a space sim, space and open world game developed and published by Frontier Developments. Released on April 02nd 2015 has received 99,333 reviews of which 76,805 were positive and 22,528 were negative resulting in a rating of 7.7 out of 10. With 4,976 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Sins of a Solar Empire®: Rebellion.
7.7
76,805
22,528

4,976
players

9. Oxygen Not Included

Similarity 60% Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,555 reviews of which 123,406 were positive and 4,149 were negative resulting in an impressive rating of 9.5 out of 10. With 4,349 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Sins of a Solar Empire®: Rebellion.
9.5
123,406
4,149

4,349
players

10. Total War: ROME II - Emperor Edition

Similarity 51% 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 published by SEGA. Released on September 02nd 2013 has received 87,638 reviews of which 73,072 were positive and 14,566 were negative resulting in a rating of 8.2 out of 10. With 3,739 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Sins of a Solar Empire®: Rebellion.
8.2
73,072
14,566

3,739
players

Best deals on games like Sins of a Solar Empire®: Rebellion on Steam

Discover fantastic savings with the best discounts on a variety of games like Sins of a Solar Empire®: Rebellion 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 Sins of a Solar Empire®: Rebellion.

1. Old World

Similarity 70% 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 Sins of a Solar Empire®: Rebellion.
8.0
3,726
815

-95% 39.80€ 1.99€

2. Oriental Empires

Similarity 51% Turn based 4X strategy game, recreating the civilizations of ancient China. Develop your land, build great cities, raise huge armies and fight epic battles, with hundreds of soldiers fighting right on the game map. Advance your technologies, culture and religion to create one of mankind’s biggest empires. Oriental Empires is a strategy, simulation and indie game developed by Shining Pixel Studios and published by Iceberg Interactive. Released on September 14th 2017 has received 2,930 reviews of which 2,355 were positive and 575 were negative resulting in a rating of 7.8 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Sins of a Solar Empire®: Rebellion.
7.8
2,355
575

-95% 30.00€ 1.50€

3. Ashes of the Singularity: Escalation

Similarity 52% 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. Ashes of the Singularity: Escalation is a rts, base-building and pvp game developed by Stardock Entertainment and Oxide Games and published by Stardock Entertainment. Released on November 10th 2016 has received 4,743 reviews of which 3,532 were positive and 1,211 were negative resulting in a rating of 7.3 out of 10. Thanks to its incredible 94% discount, this game is now the #3 best deal in games like Sins of a Solar Empire®: Rebellion.
7.3
3,532
1,211

-94% 29.17€ 1.75€

4. Dungeons 3

Similarity 54% At last, the Dungeon Lord has successfully united the forces of evil and established his dark empire. Time for the next step in his most diabolical quest: expansion! Dungeons 3 is a strategy, villain protagonist and base-building game developed by Realmforge Studios and published by Kalypso Media. Released on October 13th 2017 has received 18,348 reviews of which 17,288 were positive and 1,060 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 93% discount, this title has earned the #4 position in the best deals for games like Sins of a Solar Empire®: Rebellion.
9.2
17,288
1,060

-93% 29.29€ 2.05€

5. Distant Worlds: Universe

Similarity 63% 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. Distant Worlds: Universe is a strategy, 4x and space game developed by Code Force and published by Slitherine Ltd.. Released on May 23rd 2014 has received 1,816 reviews of which 1,376 were positive and 440 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #5 position in the best deals for games like Sins of a Solar Empire®: Rebellion.
7.3
1,376
440

-92% 28.00€ 2.24€

6. Rogue State Revolution

Similarity 57% Greetings your Excellency. Time to rebuild, reform and prepare for new challenges in the People's Republic of Basenji. In this thrilling political strategy, you will appoint ministers and lead the country to success. Be careful — you may find yourself replaced in the next election. Rogue State Revolution is a sandbox, atmospheric and turn-based strategy game developed by LRDGames and Inc. and published by Modern Wolf. Released on March 18th 2021 has received 495 reviews of which 382 were positive and 113 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #6 position in the best deals for games like Sins of a Solar Empire®: Rebellion.
7.3
382
113

-92% 12.50€ 1.00€

7. Sugar Shack

Similarity 52% Grab some friends, fire up the boiler, and let the syrup flow! Build the world around your cabin as you fulfill orders of hungry villagers with endless sweet tooths. There's never a dull moment in this cozy forest inspired by Quebec lore and art! Sugar Shack is a online co-op, co-op and indie game developed by MadLife Divertissement and published by indie.io. Released on September 14th 2023 has received 303 reviews of which 207 were positive and 96 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 92% discount, this title has earned the #7 position in the best deals for games like Sins of a Solar Empire®: Rebellion.
6.5
207
96

-92% 19.25€ 1.54€

8. Revival: Recolonization

Similarity 58% Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience. Revival: Recolonization is a 4x, grand strategy and turn-based strategy game developed and published by HeroCraft PC. Released on April 11th 2024 has received 398 reviews of which 288 were positive and 110 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 91% discount, this title has earned the #8 position in the best deals for games like Sins of a Solar Empire®: Rebellion.
6.9
288
110

-91% 27.67€ 2.49€

9. Frozenheim

Similarity 53% Lead your Viking clan onto unknown shores and carve out a future for your people in the fjords of Frozenheim. Gather resources, expand, and watch your settlement grow to a bustling town that will withstand the harshness of winter and wrath of other clans. Frozenheim is a economy, resource management and co-op game developed by Paranoid Interactive and published by Untold Tales, Hyperstrange and Gamersky Games. Released on June 16th 2022 has received 3,693 reviews of which 2,589 were positive and 1,104 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 89% discount, this title has earned the #9 position in the best deals for games like Sins of a Solar Empire®: Rebellion.
6.8
2,589
1,104

-89% 16.55€ 1.82€

10. Europa Universalis IV

Similarity 70% 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 133,611 reviews of which 115,671 were positive and 17,940 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 88% discount, this title has earned the #10 position in the best deals for games like Sins of a Solar Empire®: Rebellion.
8.6
115,671
17,940

-88% 38.83€ 4.66€

Free games like Sins of a Solar Empire®: Rebellion on Steam

Check out this fantastic list of free-to-play games like Sins of a Solar Empire®: Rebellion you can enjoy on Steam right now, updated on April 30th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Sins of a Solar Empire®: Rebellion.

1. Crusader Kings II

Similarity 55% Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy. Crusader Kings II is a grand strategy, strategy and medieval game developed by Paradox Development Studio and published by Paradox Interactive. Released on February 14th 2012 has received 73,691 reviews of which 66,260 were positive and 7,431 were negative resulting in a rating of 8.9 out of 10. With 1,340 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Sins of a Solar Empire®: Rebellion.
8.9
66,260
7,431

1,340
players

2. Business Tour - Board Game with Online Multiplayer

Similarity 51% "Business Tour" is a free to play multiplayer tabletop game. Build your monopoly with friends. Complete daily tasks, compete against the other players and receive trade items rewards! Business Tour - Board Game with Online Multiplayer is a board game, free to play and multiplayer game developed by and published by 8floor. Released on July 27th 2017 has received 76,465 reviews of which 46,433 were positive and 30,032 were negative resulting in a rating of 6.0 out of 10. Thanks to its free to play tag and a daily player base of 768, this game has secured the #2 spot in the ranking of free games like Sins of a Solar Empire®: Rebellion.
6.0
46,433
30,032

768
players

3. War Selection

Similarity 54% War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map. War Selection is a strategy, base-building and free to play game developed and published by Glyph Worlds. Released on October 08th 2019 has received 21,735 reviews of which 18,673 were positive and 3,062 were negative resulting in a rating of 8.4 out of 10. Thanks to its free to play tag and a daily player base of 398, this game has secured the #3 spot in the ranking of free games like Sins of a Solar Empire®: Rebellion.
8.4
18,673
3,062

398
players

4. OpenTTD

Similarity 56% OpenTTD is a business simulation game in which players earn money by transporting passengers and cargo via road, rail, water, and air. It is an open-source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe. OpenTTD is a simulation, building and free to play game developed and published by OpenTTD. Released on April 01st 2021 has received 14,214 reviews of which 13,670 were positive and 544 were negative resulting in an impressive rating of 9.4 out of 10. Attracting a solid base of 377 players due to its free access, this strategy game has achieved the #4 position in the best free games like Sins of a Solar Empire®: Rebellion.
9.4
13,670
544

377
players

5. Supremacy: 1914

Similarity 55% Take over the control of one of the mighty nations during the times of World War 1 in the biggest WW1 strategy game of all time. Conquer provinces, forge alliances and build up your economy in real-time on persistent maps. Build experimental weapons of World War 1 and become the one true superpower! Supremacy: 1914 is a strategy, free to play and war game developed and published by Bytro Labs GmbH. Released on July 16th 2019 has received 3,800 reviews of which 2,851 were positive and 949 were negative resulting in a rating of 7.3 out of 10. Attracting a solid base of 331 players due to its free access, this strategy game has achieved the #5 position in the best free games like Sins of a Solar Empire®: Rebellion.
7.3
2,851
949

331
players

6. EMERGENCY

Similarity 57% Save lives – be a hero! Join forces against the chaos in the newest title of the award-winning EMERGENCY series. Take up your shift as incident commander and coordinate with other players to fight fires, arrest gangsters and rescue injured civilians. Your city needs you! EMERGENCY is a free to play, multiplayer and strategy game developed and published by Sixteen Tons Entertainment. Released on August 15th 2023 has received 5,399 reviews of which 3,664 were positive and 1,735 were negative resulting in a rating of 6.7 out of 10. Attracting a solid base of 227 players due to its free access, this strategy game has achieved the #6 position in the best free games like Sins of a Solar Empire®: Rebellion.
6.7
3,664
1,735

227
players

7. War Planet Online: Global Conquest

Similarity 51% Build your army, dominate your region and lead your alliance to conquer the globe! War Planet Online: Global Conquest is a strategy, massively multiplayer and building game developed and published by Gameloft. Released on December 19th 2017 has received 907 reviews of which 579 were positive and 328 were negative resulting in a rating of 6.2 out of 10. Attracting a solid base of 155 players due to its free access, this strategy game has achieved the #7 position in the best free games like Sins of a Solar Empire®: Rebellion.
6.2
579
328

155
players

8. Zero-K

Similarity 51% With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps. Zero-K is a strategy, free to play and rts game developed and published by Zero-K Team. Released on April 27th 2018 has received 3,885 reviews of which 3,639 were positive and 246 were negative resulting in an impressive rating of 9 out of 10. The game currently holds the #8 spot among the most played free games like Sins of a Solar Empire®: Rebellion.
9
3,639
246

86
players

9. Planet S

Similarity 54% 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 2,579 reviews of which 2,364 were positive and 215 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #9 spot among the most played free games like Sins of a Solar Empire®: Rebellion.
8.8
2,364
215

9
players

10. Moonbase Alpha

Similarity 53% NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA has established a small outpost on the south pole of the moon called Moonbase Alpha. Moonbase Alpha is a space, simulation and free to play game developed by Virtual Heroes and Army Game Studio and published by NASA. Released on July 06th 2010 has received 12,829 reviews of which 11,615 were positive and 1,214 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #10 spot among the most played free games like Sins of a Solar Empire®: Rebellion.
8.8
11,615
1,214

3
players