IMHO.

AI War: Fleet Command vs Warhammer 40,000: Gladius - Relics of War

AI War: Fleet Command 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. AI War: Fleet Command (2009) is 9 years older than Warhammer 40,000: Gladius - Relics of War (2018). AI War: Fleet Command scores higher on Steam reviews (86.7% positive) than Warhammer 40,000: Gladius - Relics of War (81.9% 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 AI War: Fleet Command

Choose AI War: Fleet Command if you want an Indie experience. On Steam, it carries the stronger Steam consensus at 86.7% positive across 854 reviews.

Choose Warhammer 40,000: Gladius - Relics of War

Choose Warhammer 40,000: Gladius - Relics of War if you want the Shared/Split Screen, Online PvP, and Shared/Split Screen PvP side of the pairing. On Steam, it's the newer release (2018) and ships with the modern feature baseline. 5,122 Steam reviews back the pick.

Both AI War: Fleet Command and Warhammer 40,000: Gladius - Relics of War sit in Strategy on Steam and both list Multi-player, Online Co-op, and LAN 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

AI War: Fleet Command vs Warhammer 40,000: Gladius - Relics of War — Steam metadata comparison
AI War: Fleet Command — Steam game coverAI War: Fleet CommandWarhammer 40,000: Gladius - Relics of War — Steam game coverWarhammer 40,000: Gladius - Relics of War
Released20092018
GenresStrategy, IndieStrategy
PlatformsWindows, macOS, LinuxWindows, Linux
Steam DeckDeck PlayableDeck Playable
Price9.99 USD39.99 USD
Steam reviews86.7% positive (854 reviews)81.9% positive (5,122 reviews)
MultiplayerMulti-player, Cross-Platform Multiplayer, Online Co-opMulti-player, Cross-Platform Multiplayer, Online Co-op
DevelopersArcen GamesProxy Studios

Side by side

AI War: Fleet Command vs Warhammer 40,000: Gladius - Relics of War — FAQ

Which is better, AI War: Fleet Command or Warhammer 40,000: Gladius - Relics of War?
On Steam reviews AI War: Fleet Command scores higher (86.7% positive) than Warhammer 40,000: Gladius - Relics of War (81.9% positive). Both have enough reviews to trust the signal, so for players using reviews alone, AI War: Fleet Command is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play AI War: Fleet Command or Warhammer 40,000: Gladius - Relics of War first?
If you want chronology, AI War: Fleet Command (2009) 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 AI War: Fleet Command 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 AI War: Fleet Command and Warhammer 40,000: Gladius - Relics of War have co-op?
Yes — both list a co-op category on Steam. Specifics differ: AI War: Fleet Command ships Online Co-op, LAN Co-op; Warhammer 40,000: Gladius - Relics of War ships Online Co-op, Shared/Split Screen Co-op.