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Sins of a Solar Empire®: Rebellion on Steam

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Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.

Sins of a Solar Empire®: Rebellion is a management, diplomacy and online co-op game developed by Stardock Entertainment and Ironclad Games Corporation and published by Stardock Entertainment.
Released on June 12th 2012 is available only on Windows.

It has received 16,015 reviews of which 14,919 were positive and 1,096 were negative resulting in an impressive rating of 9.1 out of 10. 😍

The game is currently priced at 20.49€ on Steam.


The Steam community has classified Sins of a Solar Empire®: Rebellion into these genres:

Media & Screenshots

Get an in-depth look at Sins of a Solar Empire®: Rebellion through various videos and screenshots.

System requirements

These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.

Windows
  • OS *: Windows 10 / 8 / Windows 7 SP1
  • Processor: 3 GHz Intel Pentium 4 Processor or Equivalent
  • Memory: 2 GB Available System Memory
  • Graphics: 256 MB Video Card w/Pixel Shader 3.0 Support (Radeon X1650 / GeForce
    6800* or Better)
  • DirectX®: 9.0c
  • Hard Drive: 5 GB HD space
  • Sound: DirectX 9.0c Compatible Sound Card
  • Other Requirements: Keyboard and Mouse (w/scroll wheel), Broadband Internet connection for Multiplayer
  • * NVidia video chipsets must use driver version 296.10 or higher and mobile cards be set as the primary video chipset for the game.

Steam Price & Best Deals

User reviews & Ratings

Explore reviews from Steam users sharing their experiences and what they love about the game.

563 hours played
Sept. 2026
One of the longest standing Solid space RTS games out there. Loads of mods for star wars, halo, star trek and more.... why ever buy another game? :P
7855 hours played
Aug. 2026
lots of replay-ability and mod prospects
38 hours played
July 2026
Oldy but very goody - tight, polished, intense wargame. Almost no fluff, yet still enough of strategic and tactical depth to keep the player on edge. One more hidden advantage - it's a very portable game as it runs nearly on everything today, so you one can play it on an office-level laptop when travelling.
330 hours played
June 2026
The definitive version of the original Sins of a Solar Empire, so get this instead of Trinity. This expansion adds all kinds of new content, such as minor factions, new planets and ships, random events, and more gameplay variety with different factions. With a solid foundation, the modding community have made this into one of the best space strategy games out there. The best Star Trek mod is Star Trek Armada III, and is one of the most awarded mods of all time. The Star Wars equivalent is Star Wars Interregnum, which fills the void left by 2006's Empire At War (yes, it's been 20 years since we've had a proper Star Wars strategy game). The mods really extend the life of this game, and the visuals and audio still hold up. A good buy to round out your Steam library!
2483 hours played
May 2026
Absolutely recommended. *Sins of a Solar Empire: Rebellion* is one of those rare strategy games that still holds up after hundreds—or thousands—of hours. It blends 4X empire-building with real-time fleet combat in a way that feels massive without becoming overwhelming. The pacing is slower and more deliberate than a typical RTS, but that is part of its strength. Building an economy, expanding across gravity wells, researching tech, and finally sending a capital-ship-led fleet into a decisive battle still feels satisfying. The game’s biggest strengths are its scale, replayability, faction variety, and mod support. Matches can become long, strategic wars of attrition, and the diplomacy, economy, and fleet composition choices give every game a different rhythm. The modding community also adds a huge amount of life to the game. It is not perfect. The interface shows its age, and new players may need time to understand the flow of the game. Battles can also snowball once one side gains momentum. Still, for fans of space strategy, empire management, and large fleet warfare, this is an easy recommendation. After 2,477 hours, I can safely say I got my money’s worth.

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Frequently Asked Questions

Sins of a Solar Empire®: Rebellion is currently priced at 20.49€ on Steam.

No, Sins of a Solar Empire®: Rebellion is currently not on sale. You can purchase it for 20.49€ on Steam.

Yes, Sins of a Solar Empire®: Rebellion received 14,919 positive votes out of a total of 16,015 achieving an impressive rating of 9.08.
😍

Sins of a Solar Empire®: Rebellion was developed by Stardock Entertainment and Ironclad Games Corporation and published by Stardock Entertainment.

Yes, Sins of a Solar Empire®: Rebellion is playable and fully supported on Windows.

No, Sins of a Solar Empire®: Rebellion is not playable on MacOS.

No, Sins of a Solar Empire®: Rebellion is not playable on Linux.

No, Sins of a Solar Empire®: Rebellion is not playable on Steam Deck.

No, Sins of a Solar Empire®: Rebellion is not playable on Steam Machine.

No, Sins of a Solar Empire®: Rebellion does not support VR.

Sins of a Solar Empire®: Rebellion offers both single-player and multi-player modes.

Sins of a Solar Empire®: Rebellion offers both Co-op and PvP modes.

Yes, there are 5 DLCs available for Sins of a Solar Empire®: Rebellion. Explore additional content available for Sins of a Solar Empire®: Rebellion on Steam.

No, Sins of a Solar Empire®: Rebellion does not support mods via Steam Workshop.

No, Sins of a Solar Empire®: Rebellion does not support Steam Remote Play.

Yes, Sins of a Solar Empire®: Rebellion is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.

You can find solutions or submit a support ticket by visiting the Steam Support page for Sins of a Solar Empire®: Rebellion.

Data sources

The information presented on this page is sourced from reliable APIs to ensure accuracy and relevance. We utilize the Steam API to gather data on game details, including titles, descriptions, prices, and user reviews. This allows us to provide you with the most up-to-date information directly from the Steam platform.

Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.

Last Updates
Steam data 03 October 2026 22:33 UTC
SteamSpy data 13 October 2026 20:05 UTC
Steam price 26 October 2026 20:04 UTC
Steam reviews 21 October 2026 17:52 UTC

If you'd like to dive deeper into the details about Sins of a Solar Empire®: Rebellion, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.

  • SteamDB - A comprehensive database of everything on Steam about Sins of a Solar Empire®: Rebellion
  • SteamCharts - Analysis of Sins of a Solar Empire®: Rebellion concurrent players on Steam
  • ProtonDB - Crowdsourced reports on Linux and Steam Deck Sins of a Solar Empire®: Rebellion compatibility
Sins of a Solar Empire®: Rebellion PEGI 7
Rating
9.1
14,919
1,096
Game modes
Multiplayer
Features
Online players
218
Developer
Stardock Entertainment, Ironclad Games Corporation
Publisher
Stardock Entertainment
Release 12 Jun 2012
Platforms