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Multiplayer games › Party & co-op › Co-op puzzle & chaos

Is Portal 2 multiplayer or co-op?

Yes — co-op, plus local/split-screen. Portal 2 is a co-op puzzle & chaos game released in 2011, 99% positive on Steam (433,510 reviews), with 1,959 playing right now. $9.99 on Steam.

Co-opLocal / split-screenSingle-player tooParty & co-op · Co-op puzzle & chaos

The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

Steam tags: Platformer, Puzzle, First-Person, Dark Humor, Story Rich, Puzzle-Platformer, Funny, Female Protagonist

Do you and a friend both own Portal 2?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Portal 2 is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

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Games like Portal 2 you can play together

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Co-op puzzle & chaos · 95% positive on Steam (23,401 reviews) · 832 playing right now
Escape Simulator
Co-op puzzle & chaos · 94% positive on Steam (17,308 reviews) · 674 playing right now
Superliminal
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We Were Here Expeditions: The FriendShip
Co-op puzzle & chaos · 91% positive on Steam (22,334 reviews) · 63 playing right now
Tetris® Effect: Connected
Co-op puzzle & chaos · 95% positive on Steam (7,932 reviews) · 99 playing right now

Tired of Portal 2? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Portal 2 co-op?
Yes, Portal 2 supports co-op.
Does Portal 2 have PvP?
Steam does not list PvP for Portal 2.
How many people play Portal 2?
About 1,959 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.