Choose Galactic Civilizations III
Choose Galactic Civilizations III if it's currently about 25% cheaper on the Steam Store. 6,580 Steam reviews back the pick.
Galactic Civilizations III vs Warhammer 40,000: Gladius - Relics of War
Galactic Civilizations III and Warhammer 40,000: Gladius - Relics of War 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 3 years older than Warhammer 40,000: Gladius - Relics of War (2018). Warhammer 40,000: Gladius - Relics of War scores higher on Steam reviews (81.9% 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 Warhammer 40,000: Gladius - Relics of War
Choose Warhammer 40,000: Gladius - Relics of War if you want the Shared/Split Screen, Shared/Split Screen PvP, and Shared/Split Screen Co-op side of the pairing. On Steam, it carries the stronger Steam consensus at 81.9% positive across 5,122 reviews.
Both Galactic Civilizations III and Warhammer 40,000: Gladius - Relics of War sit in Strategy on Steam and both list Multi-player, Online PvP, and Online Co-op, 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 |  Warhammer 40,000: Gladius - Relics of War | |
|---|---|---|
| Released | 2015 | 2018 |
| Genres | Strategy | Strategy |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Deck Playable | Deck Playable |
| Price | 29.99 USD | 39.99 USD |
| Steam reviews | 77.9% positive (6,580 reviews) | 81.9% positive (5,122 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Cross-Platform Multiplayer, Online Co-op |
| Developers | Stardock Entertainment | Proxy Studios |
Side by side
- Both are Strategy games on Steam.
- Galactic Civilizations III (2015) is 3 years older than Warhammer 40,000: Gladius - Relics of War (2018).
- Warhammer 40,000: Gladius - Relics of War scores higher on Steam reviews (81.9% positive) than Galactic Civilizations III (77.9% positive).
- Galactic Civilizations III is currently ~25% cheaper on Steam than Warhammer 40,000: Gladius - Relics of War (29.99 USD vs. 39.99 USD).
- Both support cooperative play.
- Both are Deck Playable.
Galactic Civilizations III vs Warhammer 40,000: Gladius - Relics of War — FAQ
- Which is better, Galactic Civilizations III or Warhammer 40,000: Gladius - Relics of War?
- On Steam reviews Warhammer 40,000: Gladius - Relics of War scores higher (81.9% positive) than Galactic Civilizations III (77.9% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Warhammer 40,000: Gladius - Relics of War is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play Galactic Civilizations III or Warhammer 40,000: Gladius - Relics of War first?
- If you want chronology, Galactic Civilizations III (2015) came out before Warhammer 40,000: Gladius - Relics of War (2018). 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 Warhammer 40,000: Gladius - Relics of War 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.
- Do both Galactic Civilizations III and Warhammer 40,000: Gladius - Relics of War have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Galactic Civilizations III ships Online Co-op, Co-op; Warhammer 40,000: Gladius - Relics of War ships Online Co-op, Shared/Split Screen Co-op.