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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Still having trouble with Schrodinger's Catch Achievement?
by AdrienneMorrisa · Jan 09, 2012
5 Replies · 2,451 Views
Last post by Pitkakorvaa
Jan 11, 2012
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Ping and Gestures MISSING in COOP.
by NeoDinian · Jan 05, 2012
2 Replies · 2,606 Views
Last post by NeoDinian
Jan 07, 2012
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Portal 2 Professor Portal Gold Trophy Help
by Burchwood · Jan 06, 2012
1 Replies · 1,265 Views
Last post by WinstonSmith
Jan 06, 2012
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Game keeps crashing...
by PapaSpit · May 31, 2011
5 Replies · 4,283 Views
Last post by spongylover123
Jan 01, 2012
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[Xbox] Looking for Portal 2 partner
by Lindeman · Dec 26, 2011
1 Replies · 1,058 Views
Last post by ChickenMobile
Dec 27, 2011
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Could someone make me a custom portal gun skin?
by Tyronis3 · Dec 21, 2011
17 Replies · 7,757 Views
Last post by Tyronis3
Dec 22, 2011
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Does "Peer Review DLC" have New Single Player story also??
by zozzy · Nov 18, 2011
5 Replies · 5,015 Views
Last post by TheCakeIsASpy
Dec 22, 2011
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Help with a map
by do_not_bug_me · Oct 10, 2011
12 Replies · 4,399 Views
Last post by Djinndrache
Dec 19, 2011
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story recap
by seyss · Dec 10, 2011
7 Replies · 2,228 Views
Last post by ASBusinessMagnet
Dec 11, 2011
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HL2 EP3 Released in VGA?
by Hobbax · Dec 09, 2011
5 Replies · 2,011 Views
Last post by MasterLagger
Dec 11, 2011
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Contest: Let's Play Your Co-op Map
by Chikorita · Nov 19, 2011
8 Replies · 3,135 Views
Last post by Djinndrache
Dec 09, 2011
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HL2 Stuff in portal 2
by Hobbax · Dec 08, 2011
1 Replies · 1,261 Views
Last post by iWork925
Dec 08, 2011
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Portal 2 authoring tools dificults
by marculaa · Nov 09, 2011
5 Replies · 1,928 Views
Last post by iWork925
Nov 30, 2011
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The Funniest Wheatley Easter Egg
by MasterLagger · Nov 09, 2011
6 Replies · 2,581 Views
Last post by Another Bad Pun
Nov 12, 2011
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add me to play co op maps , username ''hobblehobble''
by hobblehobble · Nov 11, 2011
2 Replies · 1,277 Views
Last post by WinstonSmith
Nov 11, 2011
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Portal 2 Ultra easter egg
by Hobbax · Nov 10, 2011
0 Replies · 1,387 Views
No replies
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Peer Review Easter Egg
by Lostprophetpunk · Nov 08, 2011
7 Replies · 2,297 Views
Last post by MasterLagger
Nov 09, 2011
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1.1 Volts
by MasterLagger · Aug 23, 2011
4 Replies · 4,929 Views
Last post by andyb
Nov 08, 2011
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Portal 2 Reportal Glitch... Now For Portal 1
by TrappedTime · Nov 05, 2011
2 Replies · 1,482 Views
Last post by Moth
Nov 08, 2011
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*OFFICIAL* Portal 2 Puzzle Creator discussion
by mitterdoo · Nov 01, 2011
15 Replies · 4,903 Views
Last post by WinstonSmith
Nov 08, 2011