Steam app 1575940 · updated 13 Sep 2026, 07:15 UTC
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.
720 hourly samples, with the daily peak drawn over them. Weekends are shaded.
26 months, August 2024 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 266 hourly samples from 20 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
19 days as the curve, each the highest figure that day. Behind it, 454 hourly samples. Each dip is a night. Weekends are shaded.
Sins of a Solar Empire II was released on Aug 15, 2024.
| Language | Full audio |
|---|---|
| English | ● |
| French | |
| Italian | |
| German | |
| Japanese | |
| Korean | |
| Polish | |
| Portuguese - Brazil | |
| Russian | |
| Simplified Chinese | |
| Spanish - Latin America | |
| Hungarian |
A blank audio cell means full audio was not marked in the returned language list.
72 achievements in total.
50 developer announcements, Sep 2025 to Sep 2026 · times in UTC
Howdy folks, my name is Paul Kiesling, or if you’re on the discord Lord_set, and I’m the Art Director for this DLC. Today I’m going to walk through the exhaustive process the team and I used to design the Eidolon; and the decisions behind…
jilliansterUp to 70% off Sins of a Solar Empire titles during the 2026 Publisher SaleView Entire SaleNewly Released:Sins of a Solar Empire II deals:Other Sins of a Solar Empire deals:View Entire Sale
wasabi_mdCorruption Decay delay value changed to 60 seconds. Corruption Decay value changed to 0.001 (1 Corruption decays every 10 seconds) Azithel Mote Void Missile cooldown increased from 15s to 20s. Azithel Mote Corrupt Recursion Phase Echo…
Patch notesSins of a Solar Empire II: Harbinger Arrives with the Deadly Eidolon FactionAfter 20 years of intrigue, the great enemy of the Vasari is revealed, ushering in new gameplay mechanics, ships, structures and more.Get the Harbinger Expansion |…
jilliansterIt's time to take a close look at the Frigate class Ships available to the Eidolon, the dark and sinister new fourth faction added in Sins of a Solar Empire II: Harbinger.We'll examine the Nethril Husk Heavy Frigate, the Kaziel Shade Cloak…
jilliansterJoin us on Sept 3 for a release day livestream on the new expansion for Sins of a Solar Empire II, Harbinger!The team will also dive into the new features brought to the game in the free v2.0 update.📅 Thursday, Sept 3, 2026 at 1:00 PM…
wasabi_mdJoin us on August 27th for a Reddit AMA on the upcoming expansion for Sins of a Solar Empire II, HarbingerJoin the SubredditTune into r/SinsofaSolarEmpire for an exclusive Reddit AMA on the new expansion for Sins of a Solar Empire II…
wasabi_mdThe Fourth Faction for Sins of a Solar Empire II Releasing September 3rd, 2026After 20 years of intrigue, the great enemy of the Vasari is revealed, ushering in new gameplay mechanics, ships, structures and more. Wishlist the Harbinger…
wasabi_mdA 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 bug that prevented missiles from…
Patch notesIn 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 Advent and TEC.
jilliansterMore 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. Adjust this if you’re on a laptop or…
Patch notesSins 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 opt-in build and shipping a smaller…
[SD] redskittlesonlyIn 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 work to clarify and improve defensive…
jilliansterAvast ye scurvy dogs! Today I thought we could share pretty pictures of the concepting process for the Galleon, the Pirate’s newest unit featured in Pirate Incursions!Players have been asking to see the beautiful concept art created by…
jilliansterUI tweak to player setup window to add a button that goes to the full faction selection window. Also, updated behavior on clicking the full player faction button to be a quick dropdown selector as an alternate.
Patch notesWelcome to this Dev Diary! I’m Tom Fortune, one of the engineers on Sins of a Solar Empire II, and I’ll be walking you through the reasoning and motivations behind the upcoming AI overhaul. Let’s get started. Cause & EffectIf you've spent…
wasabi_mdFixed crash bug caused by loading a save game from before neutral extractors/labs were invulnerable.
Patch notesFixed bug that could cause corvettes near a fleet leader to slowly tumble through space. This was due to the orbiting attack pattern that would cause flip-flopping on physics goals. Fixed issue where allied AI players could end up in an…
Patch notesVersion 1.60.3 (Hotfix) NotesFixed bug that would cause the game to display multiple languages at the same time, if you changed your language setting repeatedly within the same session. This should also resolve a rare hang bug.Fixed bug…
Patch notesIn this second video developer journal for Sins of a Solar Empire II, we're taking a look at the gameplay changes added in v1.6 "UI Horizons", including new active use abilities for static defense Military Structures.
wasabi_mdIn this video developer journal for Sins of a Solar Empire II, we're taking a look at the new and improved front-end user-interface added in the v1.6 "UI Horizons" update. We also show off the new hand-crafted leader portraits, a ship…
wasabi_mdUI overhaul, in-game map editor, new defense platform abilities, and more arrive in the v1.6 updateView the full changelog\Front-End UI OverhaulThe entire front-end UI has been rebuilt from the ground up. The new layout surfaces more…
wasabi_mdOur resident UI guru Paul Kiesling will be giving us part one of a two-part series on this UI revamp below:With this month's update comes a functional refresh of our front-end UI. We have spent the last several months really digging into…
jilliansterFixed unit momentum bug where unit velocity wasn’t being maintained in between orders. This would cause units to stop and then re-accelerate. Fixed loot collection AI bug where AI units would get ‘stuck’ trying to collect loot. Enemy AI…
Patch notesFixed audio engine crash that could be caused when unloading a mod. Fixed a crash in the GUI system when quitting the game. Fixed mod.io unlisted mod and mod mismatch issues that could occur. Fixed crash when loading old scenario (v1.50)…
Patch notesAvast yer scurvy scallywags! The "Hunt fer Booty" update dropped at the start of March and it's time to take a look at what Sins of a Solar Empire II looks like with *proper* Pirates in the game.Bounties can now be placed on the heads of…
wasabi_mdHotfix to fix AI 'hang' caused by Pirate Galleon incursion bug.
Patch notesFixed crash caused by using wide characters in modding file path (e.g., Chinese, Korean, Japanese). This was preventing the game from starting up.Fixed issue where existing mod directory wouldn’t migrate as expected. When you change your…
Patch notesFixed in-game multiplayer server browser not showing public games in the list.
Patch notesNew pirate capital ship, bounty system, minor faction raids, and more arrive in the v1.51 updateView the full changelogNew Unit: Pirate Galleon Capital Ship The Pirates have a new flagship. The Galleon is a playable capital ship with four…
[SD] redskittlesonlyIn our last dev journal, we introduced the Pirate Galleon and hinted at unsubstantiated reports of these fearsome vessels roaming the phaselanes and attacking planets. We advised that a wise admiral should be prepared for anything.Consider…
wasabi_mdFree massive-scale RTS demo includes two factions, 8-player multiplayer, three maps and full skirmish modePlay the demoStardock Entertainment and Oxide Games announced today that a free demo for Ashes of the Singularity II, the highly…
[SD] redskittlesonlyThe Pirate Galleon is a new and powerful capital ship created to serve as the centerpiece around which the expanded Pirate faction can operate.Based on the hull of a stolen Akkan Battlecruiser, the Pirates have made considerable…
wasabi_mdSins of a Solar Empire II has extensive modding tools to help creators in the community bring their ideas to life, to mutate, enhance and alter the game in many different ways. In this video, we’ll take a look at a small selection of the…
wasabi_mdIn the last Diplomatic Method dev journal, Yarlen walked you through all of our new Diplomatic stats like Patience, Trust, Rivals, and other racial and factional modifiers.In the Diplomatic Agreement window you can see a breakdown of all of…
wasabi_mdWe've released a minor hotfix to address issues that have been reported since the initial v1.50 release. Change notes are below:GameplayTECExtractors are somewhat over performing for all factions, so have been reduced in income. The TEC…
Patch notesSins of a Solar Empire II v1.5 Free Update Releases TodayNew Update features revamped Diplomacy System, new Quick Start options, AI improvements and more for all who own Sins of a Solar Empire IIView the full changelogJust in time for the…
jilliansterTune in for the v1.5 "Diplomatic Repercussions" Livestream EventWatch the team play through the new features of this massive free update for Sins of a Solar Empire II.📅 Wednesday, December 10th at 1:00 PM EST📍Location: Sins of a Solar…
wasabi_mdWe’re back with Part 2 on this long winded breakdown of some modder-friendly features, these are coming soon. Let's dive in:Asset Suppression \In Sins 1 there used to be a setting to turn off asserts. Mods that like to do whacky stuff ride…
wasabi_mdHowdy y’all, As the year comes closer to an end and the successful release of our latest DLC, we have had time to really dig in and start chipping away at all the feature requests that we have had internally and of course the holy grail of…
wasabi_mdWe’re excited to share our Season 3 roadmap for Sins of a Solar Empire IIAs you may know, the v1.5 update is scheduled to launch on December 10, 2025. This update will introduce an overhauled diplomacy system, new features for the modding…
YarlenOne of the most (or least) requested updates for Sins of a Solar Empire II has been with its diplomatic system. Half of players want more of it and the other half couldn’t care less. Both points of view have valid points, but what each side…
wasabi_mdOverhauled Diplomacy System, New Quick Start Options, AI Improvements and more are coming to new Free Update for Sins of a Solar Empire IISins of a Solar Empire II players are in for an early holiday gift as Stardock Entertainment will…
[SD] redskittlesonlyIn this interview, Sins of a Solar Empire II's game designer, Conor "Sovereign Echo" Harris, spills the tea on the design ideas behind each of the six new Command Ships added and the new Factional Victory Conditions in the Reinforcements…
wasabi_mdRecently I polled the community to understand where Solar Forge falls short in map creation. It took me about a month to poll the data; after several weeks I’ve come up with a working prototype on what we think will be a massive…
wasabi_mdDiscover how technology shapes the battlefield as we explore the unique strengths and strategies of the TEC Primacy, Vasari Alliance, and Advent Wrath in part 2 of the Unique Faction Tech series. Building on the previous video, we’ll…
wasabi_mdFixed bug where the AI was able to build Planet Cracker warheads with the faction victory condition disabled. Fixed bug that prevented allies from using temporary phase lane stabilizers. Fixed DLC being required to unlock achievements and…
Patch notesWidened lobby UI elements to better fit non-English text. Fixed issue that could prevent DLC from working on Epic Games builds.
Patch notesSins of a Solar Empire II – Reinforcements DLC Now AvailableNew command ship class units and lore-driven factional victory conditions bring fresh strategies to the battlefieldPlayers can also enjoy our latest free update, v1.45 - released…
[SD] redskittlesonlyWelcome to Eivonn’s Fine Update, which re-introduces our favorite used ship dealer as a new minor faction to the Sins II galaxy. Eivonn is all too happy to wheel and deal with those who want to purchase the finest ships of yesteryear. (All…
[SD] redskittlesonlyEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| Sins of a Solar Empire II: Harbinger | Windows | 15 Aug 2024 |
| Sins of a Solar Empire II - Reinforcements | Windows | 15 Aug 2024 |
| Sins of a Solar Empire II - Paths to Power | Windows | 15 Aug 2024 |
| Sins of a Solar Empire II - Soundtrack | WindowsmacOSLinux | 15 Aug 2024 |
| Sins of a Solar Empire II - Times of War | Windows | 15 Aug 2024 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | StardockLauncher.exe | any | ||
| Modding Build | sins2_dev.exe | any | branch scion_mvp | |
| Modding Build | sins2_dev.exe | any | branch test_edition | |
| Marketing Build | sins2_dev.exe | any | branch marketing |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocal | sins2/saved_games | *.sins2_save and below |
WinAppDataLocal | sins2/recorded_games | *.sins2_record and below |
WinAppDataLocal | sins2/settings | input_bindings.json |
WinAppDataLocal | sins2/saved_games | most_recent.sins2_save |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG