Galactic Civilizations III

Platforms

• Microsoft Windows

Genres

• space opera video game
• science fiction video game

• 4X

• construction and management simulation^*

• strategy video game^*

Play modes

• co-op mode

• single-player video game

• multiplayer video game

Players by platform

• Microsoft Windows^*

  Maximum players (mode unspecified)

  128^*

Content classifications

• ESRB · Microsoft Windows^*

  Classification

  E10+ - Everyone 10+^*

Series

• Galactic Civilizations

Steam version platforms

• Windows^*

  Supported

  Yes^*

• macOS^*

  Supported

  No^*

• Linux^*

  Supported

  No^*

Store genres

• Strategy^*

Game features

• Single-player^*
• Multi-player^*
• PvP^*
• Online PvP^*
• Co-op^*
• Online Co-op^*
• Steam Achievements^*
• Steam Trading Cards^*
• Steam Workshop^*
• Stats^*
• Family Sharing^*

Interface languages

• English^*

  Full audio

  Yes^*

• French^*
• German^*
• Russian^*

Audio languages

• English^*
• Russian^*

Community tags · historical

• Aliens^*

  Votes · historical

  565^*

• Sci-fi^*

  Votes · historical

  511^*

• 4X^*

  Votes · historical

  508^*

• Turn-Based Strategy^*

  Votes · historical

  500^*

• Sandbox^*

  Votes · historical

  491^*

• 3D^*

  Votes · historical

  487^*

• Grand Strategy^*

  Votes · historical

  485^*

• Moddable^*

  Votes · historical

  484^*

• Hex Grid^*

  Votes · historical

  481^*

• PvE^*

  Votes · historical

  475^*

• Strategy^*

  Votes · historical

  472^*

• PvP^*

  Votes · historical

  464^*

• Procedural Generation^*

  Votes · historical

  429^*

• Turn-Based^*

  Votes · historical

  427^*

• Space^*

  Votes · historical

  426^*

• Third Person^*

  Votes · historical

  425^*

• Lore-Rich^*

  Votes · historical

  422^*

• War^*

  Votes · historical

  336^*

• Futuristic^*

  Votes · historical

  263^*

• Multiplayer^*

  Votes · historical

  248^*

System requirements

• Windows · Minimum^*

  Operating system

  64-bit Windows 10 / 8.x / 7^*

  Processor alternatives

  1.8 GHz Intel Core 2 Duo / AMD K10 Dual-Core^*

  Memory

  4 GB RAM^*

  Graphics alternatives

  512 MB DirectX 10.1 Video Card (AMD Radeon HD5x00 Series / Nvidia GeForce 500 Series / Intel HD 4000 or later)^*

  Graphics API

  Version 10^*

  Network

  Broadband Internet connection^*

  Storage

  12 GB available space^*

  Audio hardware

  DirectX Compatible Sound Card^*

  Conditions

  Requires a 64-bit processor and operating system^*

• Windows · Recommended^*

  Memory

  6 GB^*

  Processor alternatives

  2.3 GHz Intel Core i5 Processor or Equivalent^*

  Graphics alternatives

  1 GB DirectX 10.1 Video Card^*

• Windows · Recommended memory · 2026-06-27^*

  Memory

  6 GB^*

Compatibility and community reports

• Steam Deck · 2026-06-27^*

  Compatibility category

  Playable^*

• Linux · Community reports · 2026-06-27^*

  Community Linux compatibility tier

  Gold^*

  Reports

  53^*

  Community confidence

  strong^*

Developers

• Stardock

• Stardock Entertainment^*

Publishers

• Stardock

• Stardock Entertainment^*

• 2015-05-14

  Date precision

  Exact date

• 2015-05-13 · Microsoft Windows^*

  Release date

  2015-05-13^*

  Date precision

  Exact date^*

  Platform

  Microsoft Windows^*

Store release history

• Steam^*

  Release date

  May 14, 2015^*

Detailed specifications