Access Steps

Steam 

• Select Galactic Civilizations IV from your Steam Library list. 

• Right-click and select "Properties." 

• Select the Game Versions and Betas tab. 

• From the list, select "Insider" and click Close. (if you don't see this option, restart Steam.) 

• Steam should pull down the changed files; if you ever want to return, do the same as above but select "default." 

Epic 

• Open the Epic Launcher 

• Select "Galactic Civilizations IV: Supernova - Insider's Edition" 

• Install and play! 

Please note: The opt-in (Insider Build) is an early preview of the next update, and you might experience bugs or other issues. 

v3.2 March 9th, 2026 Hotfix

Multiplayer

• Fixed desync issues with event and quests
  

v3.2 March 5th, 2026 Change Log

AI

• Improved AI diplomatic contact system for more consistent timing between civilizations

• Fixed AI civilizations sometimes contacting you too frequently

• Fixed a crash related to AI diplomatic contact settings

• AI won’t surrender unless it is certain the situation is no longer winnable

Gameplay

• Research starbase modules now provide intel bonuses

• Colony ship blueprints now include Life Support by default

• Fixed "Win as Terran" achievement not unlocking properly

• Explorer-exclusive executive orders are now properly restricted to civilizations with the Explorer ability

• Dreadlord Archive events no longer trigger in the early game to prevent game-ending enemies to spawn early

  • Archive colonization event now requires turn 50 or later

  • Dreadlord Titan spawns now require turn 100 or later

• Fixed Prometheus Stone ability not working correctly

• Increased bonuses from deposit improvement multipliers (40%/50%/60%)

• Fixed Quantum Mirror so that Quantum Scientist now also get an intelligence bonus (3/6/9)

• Fixed mirror tool placing parts incorrectly on one axis in the ship designer

• Fixed issues with capstone tech not stacking

Map Generation

• Fixed star cluster placement sometimes behaving inconsistently during galaxy generation

Multiplayer

• Fixed desync issues in during combat

• Fixed desync issues with artifact powers

Save/Load

• Fixed galaxies sometimes generating differently when using the same map seed

• Fixed minor inconsistencies when saving and loading games

UI and Text

• Fixed dialogue choices appearing in random order between play sessions

• Fixed various typos and text formatting issues in English and French

• The game will now use more variety in citizen portrait selection

• Removed the notification that mentioned receiving 0 credits in events

Tales of the Terran Alliance DLC

Gameplay

• Raiders now start with Space Exploration and Extermination technologies in addition to Armed Shuttles

• Xeno Biology technology now unlocks District construction

• Fleet Coordination technology now unlocks Supernova improvements

• Added the Chaotic Particle Absorption starbase module for Terran civilizations

• Resolved issues with extreme colonization not correctly functioning

• Spider-exclusive technologies are now properly restricted to Spider civilizations only