IMHO.

Sins of a Solar Empire: Trinity® vs Firmament Wars

Sins of a Solar Empire: Trinity® and Firmament Wars both land in Strategy, Indie 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 share Strategy, Indie on Steam. Sins of a Solar Empire: Trinity® (2011) is 7 years older than Firmament Wars (2018). Sins of a Solar Empire: Trinity® scores higher on Steam reviews (78.7% positive) than Firmament Wars (63.2% 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 Sins of a Solar Empire: Trinity®

Choose Sins of a Solar Empire: Trinity® if you want the LAN PvP, LAN Co-op, and Custom Volume Controls side of the pairing. On Steam, it's currently about 33% cheaper on the Steam Store. Sins of a Solar Empire: Trinity® launched in 2011.

Choose Firmament Wars

Choose Firmament Wars if you want the Online PvP and Online Co-op side of the pairing. On Steam, it's the newer release (2018) and ships with the modern feature baseline. Firmament Wars launched in 2018.

Both Sins of a Solar Empire: Trinity® and Firmament Wars sit in Strategy and Indie on Steam and both list Multi-player, PvP, and 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

Sins of a Solar Empire: Trinity® vs Firmament Wars — Steam metadata comparison
Sins of a Solar Empire: Trinity® — Steam game coverSins of a Solar Empire: Trinity®Firmament Wars — Steam game coverFirmament Wars
Released20112018
GenresStrategy, IndieStrategy, Indie
PlatformsWindowsWindows
Steam DeckDeck PlayableUnrated
Price9.99 USD14.99 USD
Steam reviews78.7% positive (572 reviews)63.2% positive (19 reviews)
MultiplayerMulti-player, LAN Co-op, Co-opMulti-player, Online Co-op, Co-op
DevelopersIronclad Games Corporation, Stardock EntertainmentNeverworks Games

Side by side

Sins of a Solar Empire: Trinity® vs Firmament Wars — FAQ

Should I play Sins of a Solar Empire: Trinity® or Firmament Wars first?
If you want chronology, Sins of a Solar Empire: Trinity® (2011) came out before Firmament Wars (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 Sins of a Solar Empire: Trinity® and Firmament Wars similar?
They overlap on Strategy, Indie 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 Sins of a Solar Empire: Trinity® and Firmament Wars have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Sins of a Solar Empire: Trinity® ships LAN Co-op, Co-op; Firmament Wars ships Online Co-op, Co-op.
Does Sins of a Solar Empire: Trinity® run on Steam Deck?
Yes — Sins of a Solar Empire: Trinity® is rated Deck Playable by Valve. Firmament Wars doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Sins of a Solar Empire: Trinity® vs Firmament Wars · imho.run