PCGame

Sins of a Solar Empire II

Real-time space strategy where orbiting planets reshape battlefronts

Ironclad Games Corporation, Stardock Entertainment · Published by Stardock Entertainment · Released Aug 15, 2024

SimulationStrategy

AI-generated content disclosed

Reviews
Very Positive
82% of 7,419
Recent reviews
Mixed
67% of 64 in 30 days
Players
534
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
2 days ago
Nov 5, 2026
Minimum PC
RX 450
8 GB RAM · 20 GB disk
Full requirements

What is Sins of a Solar Empire II?

This is a real-time space strategy game that combines 4X empire management with tactical fleet combat. From a zoomable galaxy view, you expand across planets, develop an empire, and command one of six factions in continuous matches where orbiting worlds change routes and battlefronts amid a struggle to avoid extinction.

For you if...

  • +you want military-focused 4X strategy without turns
  • +you enjoy commanding large fleets in tactical space battles
  • +you want competitive or cooperative multiplayer matches

Not for you if...

  • −you expect a major departure from the original game
  • −you prefer deeper nonmilitary systems in your 4X games

What players say

82% of 7,419 reviews are positive · 67% of 64 in the last 30 days

Players praise the mix of real-time fleet combat and streamlined empire management, often describing it as a refined continuation of the original. Common complaints include weak opponent AI, limited depth outside warfare, and too little change from its predecessor; some recent players also object to artwork they identify as AI-generated.

Players over time

▼ -36% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 943 players on Sep 21, 2026.

Show the data
DayPlayers
Nov 7, 2026534
Nov 6, 2026308
Nov 5, 2026317
Nov 4, 2026341
Nov 3, 2026358
Nov 2, 2026410
Nov 1, 2026636
Oct 31, 2026547
Oct 30, 2026358
Oct 29, 2026282
Oct 28, 2026325
Oct 26, 2026509
Oct 25, 2026650
Oct 24, 2026629
Oct 23, 2026487
Oct 22, 2026446
Oct 21, 2026469
Oct 20, 2026461
Oct 18, 2026669
Oct 17, 2026617
Oct 16, 2026487
Oct 15, 2026509
Oct 14, 2026488
Oct 13, 2026577
Oct 11, 2026731
Oct 10, 2026722
Oct 9, 2026569
Oct 8, 2026523
Oct 7, 2026564
Oct 6, 2026575
Oct 4, 2026877
Oct 3, 2026742
Oct 2, 2026586
Oct 1, 2026624
Sep 30, 2026580
Sep 29, 2026591
Sep 27, 2026886
Sep 26, 2026802
Sep 25, 2026701
Sep 24, 2026647
Sep 23, 2026520
Sep 23, 2026732
Sep 22, 2026711
Sep 21, 2026943

Screenshots and trailer

Sins of a Solar Empire II screenshot 1

Sins of a Solar Empire II system requirements

Minimum: RX 450, 8 GB RAM, 20 GB of disk space.

As published by the developer.

Can my PC run Sins of a Solar Empire II?

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Minimum

OS
Windows 10 v1607+ / 11 (64-bit)
Processor
4-core Processor (Intel Core i5 5th-generation or AMD Ryzen 2x00 series)
Graphics
3D Video Card w/4GB VRAM (Nvidia GeForce 950 / AMD Radeon RX 450)
Memory
8 GB RAM
Storage
20 GB available space
DirectX
Version 11
Notes
1920x1080 minimum screen resolution

Recommended

OS
Windows 11
Processor
8-core Processor (Intel Core i7 9th-generation or AMD Ryzen 3x00 series)
Graphics
3D Video Card w/8GB+ VRAM (Nvidia GeForce 1060 or AMD Radeon 580)
Memory
16 GB RAM
Storage
20 GB available space
DirectX
Version 11
Notes
1920x1080 minimum screen resolution; SSD highly recommended.

Does Sins of a Solar Empire II have co-op or multiplayer?

Yes: co-op online and LAN; PvP online and LAN. It also has a single-player mode. Crossplay with other platforms is declared.

Does Sins of a Solar Empire II run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Default controller config not fully functional
  • Sometimes shows mouse, keyboard or non-Deck controller icons
  • Some in-game text is small and may be hard to read
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Achievements
72
Steam features
Cloud saves, Family Sharing, Trading cards
Languages
Full audio: English. Text only: French, Italian, German, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America, Hungarian.

Does Sins of a Solar Empire II use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

This game used AI to help quickly iterate through designs for some UI elements using our own artwork as a baseline. AI is also used to help translate the game.

The statement mentions: ArtText & translations

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Nov 6, 2026. How to filter AI games on Steam

Tags

Recent updates

5 DLC available.

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