Choose Galactic Civilizations III
Choose Galactic Civilizations III if you want the Multi-player, Online PvP, and Online Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. 6,580 Steam reviews back the pick.
Galactic Civilizations III vs Imperium Galactica
Galactic Civilizations III and Imperium Galactica both land in Strategy on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Strategy games on Steam. Galactic Civilizations III (2015) is 2 years older than Imperium Galactica (2017). Imperium Galactica scores higher on Steam reviews (90.5% positive) than Galactic Civilizations III (77.9% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Imperium Galactica
Choose Imperium Galactica if it's currently about 83% cheaper on the Steam Store. Imperium Galactica launched in 2017.
Both Galactic Civilizations III and Imperium Galactica sit in Strategy on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Galactic Civilizations III |  Imperium Galactica | |
|---|---|---|
| Released | 2015 | 2017 |
| Genres | Strategy | Strategy |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Deck Unsupported |
| Price | 29.99 USD | 4.99 USD |
| Steam reviews | 77.9% positive (6,580 reviews) | 90.5% positive (63 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | Stardock Entertainment | Digital Reality |
Side by side
- Both are Strategy games on Steam.
- Galactic Civilizations III (2015) is 2 years older than Imperium Galactica (2017).
- Imperium Galactica scores higher on Steam reviews (90.5% positive) than Galactic Civilizations III (77.9% positive).
- Imperium Galactica is currently ~83% cheaper on Steam than Galactic Civilizations III (4.99 USD vs. 29.99 USD).
- Galactic Civilizations III has co-op; Imperium Galactica does not.
- Steam Deck: Galactic Civilizations III is Deck Playable, Imperium Galactica is Deck Unsupported.
Galactic Civilizations III vs Imperium Galactica — FAQ
- Should I play Galactic Civilizations III or Imperium Galactica first?
- If you want chronology, Galactic Civilizations III (2015) came out before Imperium Galactica (2017). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Galactic Civilizations III and Imperium Galactica similar?
- They overlap on Strategy on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Does Imperium Galactica have multiplayer like Galactic Civilizations III?
- No. Galactic Civilizations III supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Imperium Galactica is listed as single-player only.