Yes — co-op and PvP. Space Wars: Interstellar Empires is a turn-based & grand strategy game released in 2017, 66% positive on Steam (238 reviews), with 3 playing right now. Free on Steam.
Helm your own ship, battle for supremacy in a multi-faction war, and conquer the cosmos in this science…
Steam tags: Early Access, Free to Play, Massively Multiplayer, Strategy, Tactical, Turn-Based Tactics, Hex Grid, Indie
Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Space Wars: Interstellar Empires is one of them — then helps you pick tonight's game with a weighted roll or a bracket.
Or open the Steam store page.
Tired of Space Wars: Interstellar Empires? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.
Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. How the data works · Legal & privacy · All types · Game Pass