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Sins of a Solar Empire II

PatchBot will keep your Discord channel up-to-date on all the latest Sins of a Solar Empire II patch notes.

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Game details

  • Description Command sprawling empires across orbiting planets, seamlessly zooming between empire-level management and precise fleet engagements—deploy titans, influence rivals, and exploit orbital mechanics to outmaneuver opponents.
  • Genre Space, Strategy, RTS, 4X, Singleplayer, Sci-fi
  • Developer Ironclad Games Corporation, Stardock Entertainment
  • Publisher Stardock Entertainment
  • Release Date Aug 15, 2024

Latest updates

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Hotfix Update Notes for September 4, 2026
  • Corruption 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 duration reduced from 30s to 15s.
  • Eidolon Very Light Void Missile (Azithel Mote, Amalgam Bomber) Armor Points removed, Hull reduced from 5 to 1. ...
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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 bug that prevented missiles from retargeting (still requires requisite tech unlock).
TEC

...

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

More than a hotfix, but we’re calling it one anyway!

  • NEW - Texture Quality Setting
  • We’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 on Steam Deck, as those systems use Shared Memory for graphics and will crash if you run out of it. This is the #1 cause of crashes for players on these systems.
  • Custom Portraits ...
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v1.61 'Prelude' Update Is Live
Sins of a Solar Empire II v1.61 is Live

View Changelog We'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, focused v1.61 in the meantime. ...

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Update Note for May 22, 2026
  • UI 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.
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Update Note for May 19, 2026
  • Fixed crash bug caused by loading a save game from before neutral extractors/labs were invulnerable.
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