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Sins of a Solar Empire II

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.

Released Aug 15, 2024 Developer Ironclad Games Corporation, Stardock Entertainment Publisher Stardock Entertainment Platforms Windows SpaceStrategy4XRTSSingleplayer
View on Steam ↗ $49.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

85.6%positive6,946 reviews
Recommended · 47 found this helpful

“People are out here complaining that it's not different enough from sins of a solar empire 1- This is a straight improvement and evolution of the things that game did. It's streamlined a lot of features, it's tightened up a lot of the balance, it's unified a bunch of disparate…”

— a player, Steam review · 8 hrs played
Recommended · 19 found this helpful

“This is an extremely fun little space RTS. The amount of modability and the support for modders on this game is absolutely fantastic. My only complaint, if I had to dig to find one, would be that planet's role in building your empire seems a little lackluster and has huge…”

— a player, Steam review · 751 hrs played
Recommended · 10 found this helpful

“So, where to start? Sins of a Solar Empire II does not exist in a vacuum - it follows what I believe is one of *the* best space RTSes on the market, one that has an expansive and vibrant modding community and which I have played for nearly 500 hours as of writing and I will…”

— a player, Steam review · 105 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 13:44 UTC · history via SteamCharts.

785playing at last check
80624-hour peak
13,330all-time peak
0 5k 10k 2025 2026 6.1k avg · Aug 2024

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

64achievements
11.7%median completion
0.8%rarest: Military Intelligence
37.4% of players 36.0% of players 34.4% of players 32.7% of players 31.8% of players 30.5% of players 29.1% of players 28.3% of players 26.9% of players 26.8% of players 26.6% of players 26.6% of players 25.9% of players 24.9% of players 24.3% of players 23.1% of players 22.1% of players 22.0% of players 21.7% of players 21.5% of players 20.2% of players 19.4% of players 18.6% of players 18.4% of players 18.2% of players 17.7% of players 16.2% of players 15.8% of players 15.2% of players 14.8% of players 14.5% of players 14.1% of players 11.7% of players 11.5% of players 10.9% of players 10.6% of players 10.6% of players 10.6% of players 10.4% of players 9.5% of players 9.3% of players 8.2% of players 8.0% of players 7.8% of players 7.6% of players 7.5% of players 7.0% of players 5.7% of players 5.3% of players 4.9% of players 4.6% of players 4.4% of players 4.2% of players 4.1% of players 4.1% of players 4.1% of players 3.3% of players 2.5% of players 2.1% of players 2.0% of players 37.4% 0% most earned rarest
Almost everyone has
37.4%Expert Governor — Build 12+ Planet Items in a single game.
36.0%Ensign — Play for 10 hours.
34.4%Never Fall — Fully construct a titan.
Rarest badges of honor
0.8%Military Intelligence — Research all military and no civilian topics; and win the game.
1.8%Dust and Echoes — Strip to the core 30 planets in one game.
1.9%Privateer — Control 500 supply of Pirate ships.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$49.99current · sampled 2026-07-26 08:39 UTC
$24.99lowest since tracking began2026-07-13
US49.99 USD
EU50.99 EUR
UK44.99 GBP
Australia70.50 AUD
Canada59.99 CAD
Japan6,200 JPY
Brazil154.99 BRL
China170.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$25 Brazil Japan Canada Australia US EU UK≈$60

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $50 $100 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 10, 2026
Change Notes for July 10, 2026 (v1.61.4)

A small update today to add a quality-of-life improvement, balance adjustments for missiles and point-defense and other items.Added visual range circles for defense structures during placement.Fixed b

Jun 24, 2026
Video Dev Journal: Vasari Balance Adjustment

In this video developer journal BATTLEMODE explains the reasoning and method behind the recent balance adjustment to the Vasari, to tone them down a little and bring them back into line with the Adven

Jun 19, 2026
Update Notes for June 19, 2026 (v1.61.3)

More than a hotfix, but we’re calling it one anyway! NEW - Texture Quality SettingWe’ve added a new setting to Settings → Graphics → Rendering Device to adjust the texture quality of units in the game

Jun 11, 2026
v1.61 'Prelude' Update Is Live

Sins of a Solar Empire II v1.61 is LiveView ChangelogWe've switched gears for our June update. The ARES AI overhaul still needs more time in the oven, so rather than rush it, we're holding it in the o

Jun 10, 2026
Video Blog: Sovereign Echo on Defenses & The Pirate Galleon

In this interview, Sins of a Solar Empire II's game designer, Conor "Sovereign Echo" Harris, joins BATTLEMODE to discuss the role of static defensive structures in Sins of a Solar Empire II, and his w

Games like Sins of a Solar Empire II

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Sins of a Solar Empire: Trinity® Sins of a Solar Empire: Trinity® 77.4% · 681 reviews shares 4x, Real Time, RTS, Base Building Dune: Spice Wars Dune: Spice Wars 78.7% · 8,233 reviews shares 4x, RTS, Base Building, Tactical Galcon 2: Galactic Conquest Galcon 2: Galactic Conquest 82.4% · 540 reviews shares 4x, Real Time, Competitive, RTS Age of Mythology: Retold Age of Mythology: Retold 89.9% · 11,021 reviews shares Tutorial, RTS, Base Building, PvE Age of Empires II (Retired) Age of Empires II (Retired) 95.3% · 44,993 reviews shares Real Time, Competitive, RTS, Isometric Supreme Commander: Forged Alliance Supreme Commander: Forged Alliance 96.8% · 8,740 reviews shares Real Time, Competitive, RTS, Base Building Iron Harvest Iron Harvest 72.5% · 8,111 reviews shares Real Time, Competitive, RTS, Base Building Hades' Star Hades' Star 74.6% · 1,221 reviews shares 4x, RTS, Tactical, Space

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresSimulation, Strategy
Player tagsSpace · Strategy · 4X · RTS · Singleplayer · Sci-fi · Multiplayer · Tactical · Co-op · PvE · Story Rich · PvP (SteamSpy community voting)
FeaturesSingle-player · Multi-player · PvP · Online PvP · LAN PvP · Co-op · Online Co-op · LAN Co-op
LanguagesEnglish * , French, Italian, German, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America, Hungarian *
Achievements64
Estimated owners200,000 – 500,000 (SteamSpy)
Official sitehttps://www.sinsofasolarempire2.com/
Minimum system requirements (PC)

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