| # | Item | Type | Release | |
|---|---|---|---|---|
| 1 | Galactic Civilizations III - Altarian Prophecy DLC | dlc | 23 Aug 2016 | |
| 2 | Galactic Civilizations III - Builders Kit DLC | dlc | 2 Jun 2016 | |
| 3 | Galactic Civilizations III - Heroes of Star Control: Origins DLC | dlc | 12 Nov 2018 | |
| 4 | Galactic Civilizations III - Lost Treasures DLC | |||
Playing now
104−14 vs. yesterday
All-time peak
6,225May 2015
| dlc |
| 27 Jul 2016 |
| 5 | Galactic Civilizations III - Map Pack DLC | dlc | 9 Jul 2015 |
| 6 | Galactic Civilizations III - Mech Parts Kit DLC | dlc | 24 Oct 2017 |
| 7 | Galactic Civilizations III - Mega Events DLC | dlc | 11 Aug 2015 |
| 8 | Galactic Civilizations III - Mercenaries Expansion Pack | dlc | 18 Feb 2016 |
| 9 | Galactic Civilizations III - Precursor Worlds DLC | dlc | 9 Dec 2015 |
| 10 | Galactic Civilizations III - Revenge of the Snathi DLC | dlc | 10 Sep 2015 |
| 11 | Galactic Civilizations III - Rise of the Terrans DLC | dlc | 15 Jun 2016 |
| 12 | Galactic Civilizations III - Villains of Star Control: Origins DLC | dlc | 27 Aug 2019 |
| 13 | Galactic Civilizations III - Worlds in Crisis DLC | dlc | 12 May 2020 |
| 14 | Galactic Civilizations III: Crusade Expansion Pack | dlc | 4 May 2017 |
| 15 | Galactic Civilizations III: Intrigue Expansion | dlc | 11 Apr 2018 |
| 16 | Galactic Civilizations III: Retribution Expansion | dlc | 21 Feb 2019 |