Is Stellaris multiplayer or co-op?

Yes — online multiplayer. Stellaris is a turn-based & grand strategy game released in 2016, 86% positive on Steam (185,433 reviews), with 13,727 playing right now. $49.99 on Steam.

Steam tags: Space, Grand Strategy, Strategy, Sci-fi, 4X, Exploration, Sandbox, Simulation

Do you and a friend both own Stellaris?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Stellaris is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Games like Stellaris you can play together

Tired of Stellaris? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Stellaris co-op?

Stellaris does not list co-op on Steam; it has Online multiplayer, Single-player too.

Does Stellaris have PvP?

Steam does not list PvP for Stellaris.

How many people play Stellaris?

About 13,727 players were in-game when this page was built (2026-09-08).

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; updated 2026-09-08. Powered by Steam — not affiliated with or endorsed by Valve Corporation.