Portal Walkthrough Part 1: Testing Chambers
42:02
Portal Walkthrough Part 1: Testing Chambers
313 viewsSep 24, 2011
YouTubeLeonyasch
Portal 1 Walkthrough - Chamber 18
6:08
Portal 1 Walkthrough - Chamber 18
217.3K viewsFeb 10, 2012
YouTubeJackster1337
Portal 1 - Test chambers 16 - 18 Walkthrough
18:23
Portal 1 - Test chambers 16 - 18 Walkthrough
39 viewsFeb 8, 2017
YouTubeSimonius
Portal walkthrough - Test Chamber 01
1:54
Portal walkthrough - Test Chamber 01
19.8K viewsAug 10, 2011
YouTubep2wiki
Portal 1 Walkthrough - Chamber 15
3:10
Portal 1 Walkthrough - Chamber 15
161K viewsFeb 10, 2012
YouTubeJackster1337
Portal 1 Walkthrough - Chamber 19
14:03
Portal 1 Walkthrough - Chamber 19
369.3K viewsFeb 11, 2012
YouTubeJackster1337
Portal walkthrough - Test Chamber 00
2:34
Portal walkthrough - Test Chamber 00
57.9K viewsAug 10, 2011
YouTubep2wiki
3:27
Portal 1 Walkthrough - Chamber 17
50.8K viewsFeb 10, 2012
YouTubeJackster1337
3:20
Portal - Test Chamber 1
3.4K viewsJul 10, 2015
YouTubeJogandoEAndando
1:39
Portal walkthrough - Test Chamber 09
22.6K viewsAug 16, 2011
YouTubep2wiki
Test Chamber – The First 30 Minutes Of The Turing Test
Sep 1, 2016
gameinformer.com
9:25
Portal Chamber 19 Walkthrough + radio transmissions - HLFallout.net
13.3K viewsJul 19, 2010
YouTubebrumisator
20:49
Test Chamber 19-End - Portal Walkthrough - Chapter 8
549.9K viewsJul 27, 2012
YouTubeKST
2:16
Portal - Bonus Maps - Test Chamber 18 (Advanced)
35.9K viewsJun 1, 2010
YouTubejkong44
6:04
Portal walkthrough - Test Chamber 16
138.7K viewsAug 23, 2011
YouTubep2wiki
1:33
Portal Stories: Mel [#19] - Chamber 1(New) - Part 1 || Walkthrough
20.1K viewsDec 28, 2016
YouTubeUltrawide GC
7:28
Portal walkthrough - Test Chamber 15
222.8K viewsAug 23, 2011
YouTubep2wiki
5:23
Portal Walkthrough: Test Chamber 18
10.5K viewsJun 3, 2010
YouTubeLetsPlayWalkthrougs
7:41
Portal walkthrough - Test Chamber 15 (Advanced)
129K viewsSep 12, 2011
YouTubep2wiki
8:24
Portal walkthrough - Test Chamber 17
137.7K viewsAug 24, 2011
YouTubep2wiki
2:40
Portal walkthrough - Test Chamber 10
37.8K viewsAug 18, 2011
YouTubep2wiki
3:31
Portal walkthrough - Test Chamber 14
70.2K viewsAug 22, 2011
YouTubep2wiki
10:03
Portal walkthrough - Test Chamber 18
385.3K viewsAug 25, 2011
YouTubep2wiki
2:54
Test Chamber 17 Part 1 - Portal 1 #portal #shorts #pcgaming #4k
1.6K views4 months ago
YouTubeGamingWithMath
4:05
Portal: Challenge Maps: Chamber 13
11.3K viewsJun 22, 2011
YouTubeNooch
1:01
Guide: Portal Least Time Challenge (Test Chamber 15)
18.3K viewsMar 13, 2013
YouTubeJimo
2:00
Guide: Portal Least Portals Challenge (Test Chamber 17)
19.5K viewsMar 15, 2013
YouTubeJimo
0:44
Portal Radios - Test Chamber 18 (1/3)
16.1K viewsMar 7, 2010
YouTubeS C
1:31
Portal: Chamber 17 Speedrun Routes
6.2K viewsJul 28, 2012
YouTubeSpyrunite
5:39
Portal walkthrough - Test Chamber 16 (Advanced)
129.6K viewsSep 13, 2011
YouTubep2wiki
See more videos
Static thumbnail place holder