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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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.

Similarity 86%
Price 38.99€
Rating 7.1
Release 19 Oct 2023

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.

Similarity 79%
Price -59% 12.37€
Rating 8.0
Release 11 Feb 2022

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.

Similarity 79%
Price 39.99€
Rating 8.6
Release 09 May 2016

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.

Similarity 78%
Price 9.99€
Rating 7.9
Release 04 Jul 2012

AI War 2

The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.

Similarity 74%
Price 19.50€
Rating 8.4
Release 22 Oct 2019

Dune: Spice Wars

A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.

Similarity 71%
Price -51% 17.15€
Rating 7.8
Release 14 Sep 2023

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.

Similarity 70%
Price -49% 10.28€
Rating 7.3
Release 26 Sep 2024

Nexus 5X

eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.

Similarity 70%
Price 14.99€
Rating 8.6
Release 18 Apr 2024

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?

Similarity 70%
Price -95% 1.99€
Rating 8.0
Release 18 May 2022

Europa Universalis IV

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.

Similarity 70%
Price -88% 4.66€
Rating 8.6
Release 13 Aug 2013

World Warfare & Economics

Take control of any nation and shape its future. Manage resources, trade, and taxes, engage in real-time warfare, navigate global diplomacy, and react to dynamic world events. Build a thriving economy, forge alliances, and command armies in a constantly evolving world!

Similarity 69%
Price 24.99€
Rating 6.7
Release 20 Dec 2023

Lawgivers II

Lawgivers II is a political sandbox game that features multiple electoral systems, approve/reject bills and govern a country. Start out your career from the very bottom, and perhaps one day, lead your nation to become the most influential in the world.

Similarity 69%
Price 24.99€
Rating 6.5
Release 18 Aug 2023

Seven Kingdoms 2 HD

Get ready for an exciting real-time strategy game experience like no other with Seven Kingdoms 2! Say goodbye to the monotony of resource gathering and army building, its unique gameplay offers a thrilling blend of city management, trade, industry, espionage, diplomacy, and conquest!

Similarity 68%
Price 9.75€
Rating 7.5
Release 04 Feb 2015

Stellar Warfare

Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!

Similarity 67%
Price -50% 9.99€
Rating 8.0
Release 04 Aug 2021

Desynced

Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.

Similarity 66%
Price -32% 19.73€
Rating 7.9
Release 15 Aug 2023

Anno 2205™

In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.

Similarity 66%
Price 39.99€
Rating 6.8
Release 02 Nov 2015

Offworld Trading Company

Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.

Similarity 64%
Price -76% 7.08€
Rating 7.5
Release 28 Apr 2016

United Penguin Kingdom

A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom.

Similarity 64%
Price -70% 4.43€
Rating 7.3
Release 09 Mar 2024

Supreme Ruler 2030

Rise to power as any modern day country in a realistic military, political and economic simulation. Command your country's diplomacy, espionage, and resource management to strengthen your position. Use real-time tactical control of your military to fortify your place as the Supreme Ruler.

Similarity 63%
Price -50% 14.49€
Rating 6.4
Release 25 Jul 2023

Techtonica

Techtonica is a first-person factory automation game with a gripping mystery about mining your way out from the depths of an alien planet. Explore bioluminescent caves, mold destructible terrain, construct a massive subterranean factory. Dig your way toward answers & discover the secrets of Calyx.

Similarity 63%
Price 28.99€
Rating 6.7
Release 07 Nov 2024

Terra Invicta

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.

Similarity 63%
Price -58% 16.88€
Rating 7.8
Release 26 Sep 2022

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.

Similarity 63%
Price -92% 2.24€
Rating 7.3
Release 23 May 2014

Victoria II

Carefully guide your nation from the era of absolute monarchies in the early 19th century, through expansion and colonization, to finally become a truly great power by the dawn of the 20th century. Victoria II is a grand strategy game played during the colonial era of the 19th century, where the player takes control of a country, guiding...

Similarity 63%
Price -74% 5.20€
Rating 9.0
Release 30 Aug 2010

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.

Similarity 62%
Price -80% 3.99€
Rating 6.0
Release 20 Jun 2023

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 2,572 reviews of which 2,358 were positive and 214 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
2,358
214

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