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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Map bugs x2
by ChicagoMike · Sep 22, 2011
3 Replies · 1,504 Views
Last post by ChicagoMike
Sep 22, 2011
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Free Map Testing and Bug Finding
by Tyronis3 · Jul 09, 2011
12 Replies · 4,125 Views
Last post by Moth
Sep 18, 2011
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Portal Width
by Lostprophetpunk · Aug 06, 2011
4 Replies · 2,223 Views
Last post by Moth
Sep 18, 2011
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Portal 2 Game Guide
by RockeTeK · Aug 05, 2011
16 Replies · 5,898 Views
Last post by PieGuy950
Sep 17, 2011
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Just a note to say hi and great job
by Xello · Aug 24, 2011
72 Replies · 16,843 Views
Last post by MasterLagger
Sep 15, 2011
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Upload a map for me.
by baca25 · Sep 13, 2011
4 Replies · 1,311 Views
Last post by dinnesch
Sep 13, 2011
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A Signpost to Nowhere - A New Easter Egg Secret?
by RubbishyUsername · Sep 10, 2011
4 Replies · 2,237 Views
Last post by iWork925
Sep 11, 2011
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Portal Babe - wow
by lifeson99 · Sep 10, 2011
4 Replies · 2,265 Views
Last post by msleeper
Sep 11, 2011
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Portal Energy Orb Strangeness
by MutatedTurret · Aug 18, 2011
6 Replies · 2,313 Views
Last post by MasterLagger
Sep 10, 2011
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Download all maps at once
by simmen · Sep 10, 2011
1 Replies · 1,251 Views
Last post by ChickenMobile
Sep 10, 2011
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German Coop Player search partner
by Tridente · Sep 01, 2011
2 Replies · 1,288 Views
Last post by PieGuy950
Sep 08, 2011
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Portal 2 update today - Valve is preparing for the DLC
by Will T. · Aug 30, 2011
7 Replies · 3,475 Views
Last post by iWork925
Sep 07, 2011
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Coop Square of Lah, in less than one minute =D
by ThomasNzO · Sep 03, 2011
2 Replies · 1,192 Views
Last post by ThomasNzO
Sep 04, 2011
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GLaDOS likes Garfield Comics
by MasterLagger · Aug 11, 2011
4 Replies · 2,062 Views
Last post by Spam Nugget
Aug 27, 2011
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Portal 2 Coop Completion Sound
by ACampingNoob · Aug 07, 2011
2 Replies · 1,433 Views
Last post by ChickenMobile
Aug 24, 2011
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Portal 2 (or Portal 1) Screen Saver?
by rellikpd · Aug 23, 2011
2 Replies · 1,690 Views
Last post by rellikpd
Aug 24, 2011
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Chell in coop?
by spongylover123 · Aug 20, 2011
17 Replies · 6,973 Views
Last post by Lostprophetpunk
Aug 23, 2011
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Portal 2 Custom Skins
by Lostprophetpunk · Aug 16, 2011
9 Replies · 6,388 Views
Last post by Lostprophetpunk
Aug 22, 2011
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Changing Co-op Portal Colours
by Lostprophetpunk · Aug 15, 2011
5 Replies · 3,009 Views
Last post by Lostprophetpunk
Aug 17, 2011
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New button, old poster
by Spam Nugget · Aug 15, 2011
2 Replies · 1,440 Views
Last post by iWork925
Aug 15, 2011