Portal 2

store.steampowered.comStore page, read 23 October 2026

Backs Online co-op, Most players online, Local co-op, Platforms, Kind of game, Sessions, Puzzles and figuring out, Story, About, Jumping and climbing.

• Online co-op: Key features list Online Co-op.
• Most players online: The description calls the co-op a complete two-person mode with its own story, characters and gameplay.
• Local co-op: Key features list Shared/Split Screen Co-op.
• Platforms: Lists Windows and SteamOS plus Linux. No Mac build is currently listed.
• Kind of game: The description says the co-op mode has its own separate campaign with a unique story and test chambers.
• Sessions: The description says the co-op mode has its own campaign.
• Puzzles and figuring out: User tags include Puzzle and Puzzle Platformer.
• Story: The description says the co-op campaign has its own story.
• About: User tags include Sci-fi and Science.
• Jumping and climbing: User tags include Puzzle Platformer.

store.steampowered.comStore data, read 23 October 2026

Backs Steam app ID, Release status, Release date, Platforms, Genres.

• Release status: Steam lists the game as released.
• Release date: Steam shows Apr 18, 2011.
• Platforms: Steam lists Windows and Linux builds. It does not list a macOS build.
• Genres: Steam lists the genres Action and Adventure. Valve is both developer and publisher.

store.steampowered.comStore data, read 23 October 2026

Backs Steam Deck.

• Steam Deck: Valve rates the game Verified on Steam Deck.

store.steampowered.comOfficial news, read 23 October 2026

Backs Local co-op, Most players on one screen, Split or shared screen.

• Local co-op: Valve patch note from 2024-02-02 says it fixed not being able to play local splitscreen.
• Most players on one screen: The co-op mode is for two players, so local split screen is for two.
• Split or shared screen: The patch note names local splitscreen.

store.steampowered.comOfficial news, read 23 October 2026

Backs Working in sync.

• Working in sync: Valve patch note from 2024-02-05 mentions a ping tool that works in co-op, which players use to point things out to each other.

nintendo.comStore page, read 23 October 2026

Backs Platforms, Local co-op, Split or shared screen.

• Platforms: The title-specific Portal 2 page explicitly supports Switch 2 compatibility with behavior consistent with Switch. This is the Switch game running compatibly, not a native new edition.
• Local co-op: The page says the co-op mode has local, split-screen and online multiplayer.
• Split or shared screen: The same sentence names split-screen.

xbox.comStore page, read 23 October 2026

Backs Platforms.

• Platforms: Title reads Buy Portal 2 | XBOX. The Play with section lists Xbox One and Xbox Series X|S.

wikidata.orgWikidata, read 23 October 2026

Backs Wikidata item, Genres, Release date.

• Genres: P136 includes puzzle video game and first-person shooter. Valve does not call the game a shooter.
• Release date: P577 gives 2011-04-18 on Steam. Other platforms show 2011-04-19.

eurogamer.netPress, read 23 October 2026

Backs Laughter and chaos, Working in sync, Calm and coziness, Getting better, About.

• Laughter and chaos: Eurogamer review from 2011-04-19 says the writing is very funny.
• Working in sync: Calls the co-op one of the most collaborative experiences you can have with a friend.
• Calm and coziness: Says there is virtually no combat and the puzzle chambers are broken up so the puzzles can breathe.
• Getting better: Says Valve set the difficulty higher for co-op.
• About: Describes the game as cool sci-fi in an Aperture Science lab.

digitaltrends.comPress, read 23 October 2026

Backs Kind of game, Sessions, Puzzles and figuring out, Getting better, Story.

• Kind of game: Digital Trends review from 2011 describes a separate co-op campaign for two.
• Sessions: Describes five testing areas of eight rooms each.
• Puzzles and figuring out: Describes spatial puzzles solved by placing portals.
• Getting better: Says co-op difficulty rises noticeably through the five testing areas.
• Story: Says the co-op campaign is slightly less story-driven than the solo one.

psu.comPress, read 23 October 2026

Backs Working in sync, Getting better.

• Working in sync: PlayStation Universe review from 2011-04-19 says co-op is very satisfying with communication and teamwork.
• Getting better: Says the puzzles can get extremely challenging later on.

gamesradar.comPress, read 23 October 2026

Backs Physical comedy, Tension and danger.

• Physical comedy: Review describes partners flung across rooms and caught in fall loops, in a polished game.
• Tension and danger: Says turrets, acid and timing add short spikes, but there is no timer and no real death.

pcgamer.comPress, read 23 October 2026

Backs Time to hang out, Getting better.

• Time to hang out: Review says you talk the whole time, mostly about the puzzle in front of you.
• Getting better: Says some timing and aim help, but the real skill is reading the room and explaining it.

pcgamer.comPress, read 23 October 2026

Backs Planning ahead.

• Planning ahead: Says you stand still and play the room through in your head before you move.

blog.playstation.comOfficial news, read 24 October 2026

Backs Friends can join mid-game.

• Friends can join mid-game: Valve's Joshua Weier explicitly rejects drop-in/drop-out because cooperative puzzles always need two players. This is historical maker evidence about the campaign structure, not a newly published every-port test.

store.steampowered.comStore page, read 24 October 2026

Backs Free base co-op.

• Free base co-op: The checked computer full-base edition has a paid base-game access model. Demos, trials, guest passes, platform sharing and temporary grants do not establish ongoing free base co-op.

xbox.comStore page, read 24 October 2026

Backs Free base co-op.

• Free base co-op: The checked Xbox full-base edition has a paid base-game access model. Demos, trials, guest passes, platform sharing and temporary grants do not establish ongoing free base co-op.

nintendo.comStore page, read 24 October 2026

Backs Free base co-op.

• Free base co-op: The checked Nintendo full-base edition has a paid base-game access model. Demos, trials, guest passes, platform sharing and temporary grants do not establish ongoing free base co-op.

nintendo.comStore page, read 24 October 2026

Backs Free base co-op.

• Free base co-op: The checked Nintendo full-base edition has a paid base-game access model. Demos, trials, guest passes, platform sharing and temporary grants do not establish ongoing free base co-op.