Is Outerstellar multiplayer or co-op?

Yes — PvP. Outerstellar is a pvp survival game released in 2023, 76% positive on Steam (123 reviews), with 3 playing right now. Free on Steam.

Steam tags: Early Access, Multiplayer, Survival, Open World Survival Craft, Shooter, PvP, Crafting, Base-Building

Do you and a friend both own Outerstellar?

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

Or open the Steam store page.

Games like Outerstellar you can play together

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

Quick answers

Is Outerstellar co-op?

Outerstellar does not list co-op on Steam; it has PvP.

Does Outerstellar have PvP?

Yes, Outerstellar has player-versus-player modes.

How many people play Outerstellar?

About 3 players were in-game when this page was built (2026-09-09).

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