IMHO.

Space Wars: Interstellar Empires vs Space Imperia 4X

Space Wars: Interstellar Empires and Space Imperia 4X 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. Space Wars: Interstellar Empires (2017) is 9 years older than Space Imperia 4X (2026). Space Wars: Interstellar Empires is free; Space Imperia 4X is paid (Price unknown). 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 Space Wars: Interstellar Empires

Choose Space Wars: Interstellar Empires if you want a Massively Multiplayer, Free To Play, and Early Access game with MMO. On Steam, it's free to play, so the barrier to trying it is zero. Space Wars: Interstellar Empires launched in 2017.

Choose Space Imperia 4X

Choose Space Imperia 4X if you want the Camera Comfort, Playable without Timed Input, and Save Anytime side of the pairing. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Space Imperia 4X launched in 2026.

Both Space Wars: Interstellar Empires and Space Imperia 4X 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

Space Wars: Interstellar Empires vs Space Imperia 4X — Steam metadata comparison
Space Wars: Interstellar Empires — Steam game coverSpace Wars: Interstellar EmpiresSpace Imperia 4X — Steam game coverSpace Imperia 4X
Released20172026
GenresStrategy, Massively Multiplayer, Free To Play, Early AccessStrategy
PlatformsWindows, macOSWindows, macOS, Linux
Steam DeckUnratedUnrated
PriceFree to playPrice unknown
Steam reviews67.6% positive (173 reviews)—
MultiplayerMulti-player, Cross-Platform Multiplayer, Online Co-opMulti-player, Cross-Platform Multiplayer, Online Co-op
DevelopersDesert Owl Games LLCBreich Games

Side by side

Space Wars: Interstellar Empires vs Space Imperia 4X — FAQ

Should I play Space Wars: Interstellar Empires or Space Imperia 4X first?
If you want chronology, Space Wars: Interstellar Empires (2017) came out before Space Imperia 4X (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 Space Wars: Interstellar Empires and Space Imperia 4X 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 Space Wars: Interstellar Empires and Space Imperia 4X have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Space Wars: Interstellar Empires ships Online Co-op, Co-op; Space Imperia 4X ships Online Co-op, Co-op.
Is Space Wars: Interstellar Empires free?
Yes — Space Wars: Interstellar Empires is a free-to-play Steam title. Space Imperia 4X is paid (Price unknown).
Space Wars: Interstellar Empires vs Space Imperia 4X · imho.run