| # | Item | Type | Release | |
|---|---|---|---|---|
| 1 | Galactic Civilizations IV - Expansion Pass 2 | dlc | 4 Dec 2025 | |
| 2 | Galactic Civilizations IV - Megastructures | dlc | 10 Dec 2024 | |
| 3 | Galactic Civilizations IV - Species Pack | dlc | 20 Jun 2024 | |
| 4 | Galactic Civilizations IV - Tales of Centauron | |||
Playing now
377−49 vs. yesterday
All-time peak
1,422Oct 2023
| dlc |
| 19 Dec 2023 |
| 5 | Galactic Civilizations IV - Tales of the Arnor | dlc | 27 Feb 2025 |
| 6 | Galactic Civilizations IV - Tales of the Snathi | dlc | — |
| 7 | Galactic Civilizations IV - Tales of the Terran Alliance | dlc | 4 Dec 2025 |
| 8 | Galactic Civilizations IV - Warlords | dlc | 18 Apr 2024 |
| 9 | Galactic Civilizations IV: Ascension | dlc | — |
| 10 | Galactic Civilizations IV: Federations & Empires | dlc | 30 Jul 2026 |
| 11 | Galactic Civilizations IV: Hegemon | dlc | — |
| 12 | Galactic Civilizations IV: Underworld | dlc | — |