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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The Enceladus Initiative [MAPPACK/MOD]
by josepezdj · Apr 27, 2012
71 Replies · 21,478 Views
Last post by josepezdj
Sep 03, 2013
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why hasn't anybody made something like this???
by tile · Aug 19, 2013
2 Replies · 1,724 Views
Last post by tile
Aug 28, 2013
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Easter egg in the frankenturret intro!
by Theepiccake1993 · Dec 28, 2012
13 Replies · 5,209 Views
Last post by Tmast98
Aug 19, 2013
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Models replaced with "ERROR!" on custom map, help?
by ryoarmanda · Jul 30, 2013
5 Replies · 2,530 Views
Last post by FelixGriffin
Jul 31, 2013
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the magic cube
by Dr.fr · Jul 30, 2013
5 Replies · 1,924 Views
Last post by Dr.fr
Jul 31, 2013
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Beta Neurotoxin Dialog
by TeamSpen210 · Jul 30, 2013
1 Replies · 1,595 Views
Last post by FelixGriffin
Jul 30, 2013
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LOL Time
by wildgoosespeeder · Jul 10, 2013
8 Replies · 2,277 Views
Last post by Dafflewoctor
Jul 23, 2013
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PORTALBALL
by spouch · Jul 22, 2013
6 Replies · 2,237 Views
Last post by spouch
Jul 23, 2013
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Can someone make me a new skin for the portalgun?
by scout241 · Jul 22, 2013
0 Replies · 1,274 Views
No replies
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Questions about portal 2
by krishiv2 · Jul 12, 2013
11 Replies · 4,254 Views
Last post by User
Jul 21, 2013
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Global Records
by User · Jul 12, 2013
5 Replies · 1,710 Views
Last post by User
Jul 13, 2013
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Portal 2 Criticism
by ebola · Jan 20, 2012
61 Replies · 15,788 Views
Last post by wildgoosespeeder
Jul 11, 2013
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New? Coop glitch
by Lpfreaky90 · Jun 22, 2013
5 Replies · 1,933 Views
Last post by Gemarakup
Jun 23, 2013
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Selling Portal for $15.00, $5 cheaper then its price!
by struclam · May 01, 2013
0 Replies · 1,255 Views
No replies
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VALVe reveals cut fifth "Epsilon" gel!
by FelixGriffin · Mar 31, 2013
13 Replies · 4,866 Views
Last post by Logic
Apr 12, 2013
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New Portal 2 Community CO-OP Map Video !
by tomosjones11 · Apr 11, 2013
0 Replies · 1,447 Views
No replies
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Custom Map Problems
by Ahem · Apr 04, 2013
6 Replies · 1,987 Views
Last post by portal2tenacious
Apr 05, 2013
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Submit your high scores here!
by MasterLagger · Oct 05, 2011
73 Replies · 19,635 Views
Last post by Ahem
Apr 04, 2013
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Your Ranks? [Challenge Mode]
by Ahem · Apr 04, 2013
1 Replies · 1,222 Views
Last post by portal2tenacious
Apr 04, 2013
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Attn: YouTubers! Post videos, get added to our channel
by msleeper · Jul 13, 2011
35 Replies · 29,020 Views
Last post by iWork925
Mar 25, 2013