Portal 2 Single Player / Coop

Talk about the game, theories, how to get the achievements and beat the challenge maps, and anything related to Portal 2 Single Player / Coop. Caution: Spoilers abound!

Topics
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Co-op Course 4 World Record Solo Speed Run in 2:53
by Invictus · Jun 07, 2011
2 Replies · 1,417 Views
Last post by msleeper
Jun 09, 2011
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ALL P2 CONTEST COOP MAPS - Download
by bloodhound01 · Jun 09, 2011
5 Replies · 2,152 Views
Last post by msleeper
Jun 09, 2011
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Any1 want to play Portal 2 with me?
by waffli8 · Jun 08, 2011
1 Replies · 1,304 Views
Last post by msleeper
Jun 08, 2011
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Meet Alecia Glidewell - The Model of Chell
by carlymx · Jun 04, 2011
2 Replies · 3,692 Views
Last post by kwp21 pitts
Jun 08, 2011
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Co-op's GET THE BALL!
by MasterLagger · Jun 08, 2011
4 Replies · 1,793 Views
Last post by MasterLagger
Jun 08, 2011
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Wtf ! All scene\ files missing!
by iXDe · May 27, 2011
12 Replies · 4,694 Views
Last post by SuperSoldier
Jun 07, 2011
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Wheatley's Cheap Instant Kill Attack and other stuff
by MasterLagger · Jun 03, 2011
5 Replies · 2,383 Views
Last post by MasterLagger
Jun 07, 2011
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How to play downloaded CO-OP maps?
by fraptor · Jun 02, 2011
1 Replies · 1,971 Views
Last post by Idolon
Jun 02, 2011
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Professor portal
by Nospar · Jun 01, 2011
0 Replies · 1,195 Views
No replies
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Hey guys. A friend and I play Portal 2. Here's what we did.
by Invictus · May 30, 2011
2 Replies · 1,913 Views
Last post by Invictus
May 31, 2011
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Disabling Sound or changing Coop Intro
by j0b0rg · May 29, 2011
1 Replies · 1,399 Views
Last post by msleeper
May 29, 2011
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Help!!! I unbind all the buttons!!!
by brianuuu · May 29, 2011
3 Replies · 3,512 Views
Last post by msleeper
May 29, 2011
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Loading custom maps (without using steam?)
by RockeTeK · May 25, 2011
12 Replies · 10,000 Views
Last post by shadowdsfire
May 28, 2011
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What the truck!
by mazk1985 · May 23, 2011
5 Replies · 2,287 Views
Last post by Nacimota
May 28, 2011
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Science Fair Poster 4 (Spoiler)
by Nightgunner5 · Apr 26, 2011
57 Replies · 16,465 Views
Last post by rellikpd
May 27, 2011
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Portal 2 co-op (custom maps and real game) steam group
by Arnar105 · May 25, 2011
6 Replies · 3,670 Views
Last post by Arnar105
May 27, 2011
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Looking for partner for portal 2 map NOW!
by baca25 · May 26, 2011
3 Replies · 1,595 Views
Last post by msleeper
May 26, 2011
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Rattman Secret speaking Decrypted (Spoiler free)
by HarryColquhoun · May 16, 2011
5 Replies · 2,634 Views
Last post by yohoat9
May 26, 2011
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Portal 2 Co-Op Autosave Question
by baca25 · May 25, 2011
1 Replies · 1,699 Views
Last post by msleeper
May 25, 2011
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Lasers and redirecting cubes
by gartzen · May 24, 2011
8 Replies · 3,788 Views
Last post by Hober
May 24, 2011