IMHO.

Warhammer 40,000: Gladius - Relics of War vs Mandate of Galactic Empires

Warhammer 40,000: Gladius - Relics of War and Mandate of Galactic Empires 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. Warhammer 40,000: Gladius - Relics of War (2018) is 8 years older than Mandate of Galactic Empires (2026). Mandate of Galactic Empires is currently ~70% cheaper on Steam than Warhammer 40,000: Gladius - Relics of War (11.99 USD vs. 39.99 USD). 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 Multi-player, Shared/Split Screen, and Online PvP side of the pairing. On Steam, it has co-op, so you can bring a friend. 5,122 Steam reviews back the pick.

Choose Mandate of Galactic Empires

Choose Mandate of Galactic Empires if you want a Simulation and Early Access game with Custom Volume Controls, Stereo Sound, and Playable without Timed Input. On Steam, it's currently about 70% cheaper on the Steam Store. Mandate of Galactic Empires launched in 2026.

Both Warhammer 40,000: Gladius - Relics of War and Mandate of Galactic Empires 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

Warhammer 40,000: Gladius - Relics of War vs Mandate of Galactic Empires — Steam metadata comparison
Warhammer 40,000: Gladius - Relics of War — Steam game coverWarhammer 40,000: Gladius - Relics of WarMandate of Galactic Empires — Steam game coverMandate of Galactic Empires
Released20182026
GenresStrategyStrategy, Simulation, Early Access
PlatformsWindows, LinuxWindows, Linux
Steam DeckDeck PlayableUnrated
Price39.99 USD11.99 USD
Steam reviews81.9% positive (5,122 reviews)—
MultiplayerMulti-player, Cross-Platform Multiplayer, Online Co-opSingle-player only
DevelopersProxy StudiosOddbit

Side by side

Warhammer 40,000: Gladius - Relics of War vs Mandate of Galactic Empires — FAQ

Should I play Warhammer 40,000: Gladius - Relics of War or Mandate of Galactic Empires first?
If you want chronology, Warhammer 40,000: Gladius - Relics of War (2018) came out before Mandate of Galactic Empires (2026). 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 Warhammer 40,000: Gladius - Relics of War and Mandate of Galactic Empires 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 Mandate of Galactic Empires have multiplayer like Warhammer 40,000: Gladius - Relics of War?
No. Warhammer 40,000: Gladius - Relics of War supports multiplayer on Steam (Multi-player, Cross-Platform Multiplayer, Online Co-op), while Mandate of Galactic Empires is listed as single-player only.
Does Warhammer 40,000: Gladius - Relics of War run on Steam Deck?
Yes — Warhammer 40,000: Gladius - Relics of War is rated Deck Playable by Valve. Mandate of Galactic Empires doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Warhammer 40,000: Gladius - Relics of War vs Mandate of Galactic Empires · imho.run