Portal Single Player

Talk about the game, custom maps, how to get the achievements and beat the challenge maps, and anything related to Portal 1. Caution: Spoilers abound!

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Weighted Companion Cube
by Test Subject · Apr 18, 2008
12 Replies · 5,569 Views
Last post by pestchamber
May 10, 2008
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Think you are good? Challenge yourself!
by Anphrax · Oct 15, 2007
26 Replies · 11,136 Views
Last post by NykO18
Apr 22, 2008
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Wierd bug?
by nightfire · Apr 01, 2008
8 Replies · 3,127 Views
Last post by Test Subject
Apr 18, 2008
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Portal Magazine?
by Bosf · Feb 22, 2008
7 Replies · 3,554 Views
Last post by SaSuK3
Apr 09, 2008
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Portal - least portals
by Jaso · Apr 08, 2008
1 Replies · 1,974 Views
Last post by rellikpd
Apr 08, 2008
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Advanced Chambers Challenges
by rellikpd · Mar 20, 2008
12 Replies · 5,718 Views
Last post by rellikpd
Mar 30, 2008
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chamber 15 - 19 seconds
by Kingpin · Mar 15, 2008
1 Replies · 1,620 Views
Last post by taco
Mar 16, 2008
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Chell hasnt got teeth?
by Bosf · Feb 22, 2008
8 Replies · 3,971 Views
Last post by The Scientist
Mar 11, 2008
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Test chamber 18 orientation weirdness
by uXs · Mar 09, 2008
10 Replies · 6,203 Views
Last post by Ricotez
Mar 11, 2008
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Chamber 15 - 20 seconds
by Kingpin · Mar 10, 2008
9 Replies · 3,441 Views
Last post by Jaso
Mar 11, 2008
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Undo a glitch
by rellikpd · Mar 06, 2008
3 Replies · 1,925 Views
Last post by rellikpd
Mar 07, 2008
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Portal Speedrun - 13:46
by DemonStrate · Feb 28, 2008
8 Replies · 3,555 Views
Last post by rellikpd
Mar 06, 2008
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two commands at once?
by Bosf · Feb 28, 2008
13 Replies · 5,817 Views
Last post by msleeper
Feb 29, 2008
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Portal camera hack?
by Bosf · Feb 27, 2008
4 Replies · 2,273 Views
Last post by Bosf
Feb 28, 2008
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What does terminal Velocity mean?
by Bosf · Feb 25, 2008
14 Replies · 6,095 Views
Last post by msleeper
Feb 26, 2008
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Love GLaDOS speed run
by Kingpin · Feb 22, 2008
3 Replies · 2,078 Views
Last post by rellikpd
Feb 23, 2008
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Rainbow Palace by Duffedwaffe
by Grudge · Feb 21, 2008
0 Replies · 2,443 Views
No replies
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What a new rig can do...
by Kingpin · Feb 13, 2008
5 Replies · 2,572 Views
Last post by Kingpin
Feb 17, 2008
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Thinking with portals: IRL
by msleeper · Oct 19, 2007
8 Replies · 3,480 Views
Last post by youme
Feb 10, 2008
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Portal Camera Jumping Bug
by DeviMon · Jan 09, 2008
3 Replies · 2,382 Views
Last post by Phr³³k
Feb 05, 2008