Is Outer Wilds co-op?

Not natively. Outer Wilds ships single-player; the community mod Quantum Space Buddies adds co-op — Explore the solar system together; requires the Outer Wilds Mod Manager.

Does Outer Wilds have PvP?

Only with the Quantum Space Buddies mod, which is co-op only.

How many people play Outer Wilds?

About 928 players were in-game when this page was built (2026-09-08).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Action-adventure › Co-op action

Is Outer Wilds multiplayer? Yes — with Quantum Space Buddies

Not out of the box — but the Quantum Space Buddies mod makes it co-op. Outer Wilds is a co-op action game released in 2020, 96% positive on Steam (84,488 reviews), with 928 playing right now. $14.99 on Steam.

Co-opSingle-player tooMultiplayer via mod: Quantum Space BuddiesAction-adventure · Co-op action

How to play Outer Wilds with a friend: Quantum Space Buddies

Explore the solar system together; requires the Outer Wilds Mod Manager. Steam lists Outer Wilds as single-player, so it won't show up in Steam's own "games we both own" view as something you can play together — Ready Up counts it anyway, marked "Via mod", and you can hide mod-only games with one filter if that's not your thing.

Get Quantum Space Buddies

Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery…

Steam tags: Exploration, Space, Mystery, Story Rich, Adventure, Great Soundtrack, Atmospheric, Puzzle

Do you and a friend both own Outer Wilds?

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

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

Quick answers

Is Outer Wilds co-op?: Not natively. Outer Wilds ships single-player; the community mod Quantum Space Buddies adds co-op — Explore the solar system together; requires the Outer Wilds Mod Manager.
Does Outer Wilds have PvP?: Only with the Quantum Space Buddies mod, which is co-op only.
How many people play Outer Wilds?: About 928 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.