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!
Announcements
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by msleeper
Aug 20, 2010
4 Replies · 74,617 Views
by WinstonSmith
Jul 13, 2011
Jul 13, 2011
Topics
What has ever happened to making custom maps?
by Scent Tree Gun
Apr 07, 2019
4 Replies · 4,696 Views
by laganrat
Jun 11, 2020
Jun 11, 2020
Purple+Black fov hands texture Portal 1?
by DerekGrafton
May 14, 2019
2 Replies · 2,944 Views
by Johnnie John Johnson
Jan 14, 2020
Jan 14, 2020
Momentum
by Johnnie John Johnson
Jan 07, 2020
2 Replies · 1,745 Views
by Johnnie John Johnson
Jan 08, 2020
Jan 08, 2020
The feel of portal
by Arachnaphob
Mar 25, 2015
4 Replies · 3,915 Views
by Berna2078
Dec 20, 2019
Dec 20, 2019
[Tutorial] The Portal Glitch Bible
by Siiig
May 15, 2009
46 Replies · 40,245 Views
by Pookachu
Mar 04, 2019
Mar 04, 2019
Found portal 2005 chapter icons
by MrPLotor
Sep 01, 2017
1 Replies · 2,857 Views
by MrPLotor
Sep 22, 2017
Sep 22, 2017
Portal Chamber 09, what the heck?
by theVDude
Aug 01, 2009
7 Replies · 5,892 Views
by MrPLotor
Aug 20, 2017
Aug 20, 2017
Why does GLaDOS look different?
by Axon9000
Jul 11, 2013
19 Replies · 16,960 Views
by Luke18033
May 29, 2017
May 29, 2017
Portal Texture Broke
by Bobi
May 17, 2014
5 Replies · 3,846 Views
by portal2
Jun 06, 2014
Jun 06, 2014
Android Heck
by Joe the Stickfiddler
Nov 11, 2013
0 Replies · 2,722 Views
No replies
Cool Conundrum results
by Joe the Stickfiddler
Nov 06, 2013
3 Replies · 3,147 Views
by TheTestmasterSphere
Nov 10, 2013
Nov 10, 2013
Running the demo is not helpful!
by Joe the Stickfiddler
Nov 04, 2013
7 Replies · 3,892 Views
by Joe the Stickfiddler
Nov 07, 2013
Nov 07, 2013
Portal DirectX optimization with Portals (For bad computers)
by Chilius03
Oct 29, 2013
0 Replies · 2,745 Views
No replies
My portals dosen't look good
by DromEd
Oct 26, 2013
2 Replies · 2,966 Views
by TeamSpen210
Oct 26, 2013
Oct 26, 2013
I am Making a portal 2 E3 mod within Portal 1
by Chilius03
Oct 19, 2013
4 Replies · 3,348 Views
by Chilius03
Oct 19, 2013
Oct 19, 2013
Unsettling thing in Test 15
by Dafflewoctor
Aug 05, 2013
7 Replies · 5,915 Views
by metroid101
Aug 17, 2013
Aug 17, 2013
Source SDK 2013 released!
by Fluppy
Jun 28, 2013
6 Replies · 4,490 Views
by Gemarakup
Jun 30, 2013
Jun 30, 2013
Mods stopped working.
by AD_79p2
Jun 26, 2013
3 Replies · 3,370 Views
by Axon9000
Jun 27, 2013
Jun 27, 2013
SteamPipe update released - what does it mean for us?
by Fluppy
Jun 25, 2013
12 Replies · 9,079 Views
by Fluppy
Jun 26, 2013
Jun 26, 2013
Can someone make me a portal gun skin?
by edroid999
Jun 24, 2013
11 Replies · 7,683 Views
by edroid999
Jun 26, 2013
Jun 26, 2013