Portal walkthrough - Chapter 1: Test chambers 1, 2 & 3
5:38
Portal walkthrough - Chapter 1: Test chambers 1, 2 & 3
3K viewsApr 20, 2011
YouTubeStasiscape
Portal walkthrough - Test Chamber 01
1:54
Portal walkthrough - Test Chamber 01
19.8K viewsAug 10, 2011
YouTubep2wiki
Portal 1 Walkthrough - Chamber 16
3:04
Portal 1 Walkthrough - Chamber 16
43.6K viewsFeb 10, 2012
YouTubeJackster1337
Portal 1 Walkthrough - Chamber 19
14:03
Portal 1 Walkthrough - Chamber 19
369.3K viewsFeb 11, 2012
YouTubeJackster1337
Portal - Test Chamber 19 (Walkthrough)
19:27
Portal - Test Chamber 19 (Walkthrough)
6.7K viewsSep 20, 2019
YouTubeGamivide
Portal 1 Walkthrough - Chamber 18
6:08
Portal 1 Walkthrough - Chamber 18
217.3K viewsFeb 10, 2012
YouTubeJackster1337
Portal 1 Walkthrough - Chamber 15
3:10
Portal 1 Walkthrough - Chamber 15
161K viewsFeb 10, 2012
YouTubeJackster1337
3:27
Portal 1 Walkthrough - Chamber 17
50.8K viewsFeb 10, 2012
YouTubeJackster1337
10:26
Portal - Walkthrough Part 1 [Chapter 1: Test Chamber 0-7] - W/Commen…
45.8K viewsJun 9, 2012
YouTubeLewisBlogsGaming
2:59
Portal Intro and Level 1 Walkthrough
114.2K viewsOct 11, 2007
YouTubeTheDarksage1978
43:24
My First Time in Portal | Let's Play: Portal #1
16.9K viewsMay 3, 2020
YouTubeCircuit The World
1:20:12
Portal 1 Full Game Walkthrough Longplay
79 views11 months ago
YouTubeRetroGamer - Longplays
1:39
Portal walkthrough - Test Chamber 09
22.6K viewsAug 16, 2011
YouTubep2wiki
13:24
Portal walkthrough - GLaDOS' Chamber
157.6K viewsAug 31, 2011
YouTubep2wiki
0:52
Portal 1 Level 1
1.3K views1 month ago
YouTubepyrzts
20:49
Test Chamber 19-End - Portal Walkthrough - Chapter 8
549.9K viewsJul 27, 2012
YouTubeKST
30:10
Portal 1 Commentary Walkthrough Part 1 - The Enrichment Centre
3.5K viewsJan 20, 2018
YouTubeDansg08
37:39
Portal All Levels Walkthrough
5.8K viewsOct 2, 2014
YouTubeSensei Bean
1:06:08
Portal (1) - Bonus Levels (+ the missing Least Portals level)
29 views5 months ago
YouTubeGreg49
57:56
Portal 1 - Full Game Walkthrough
12K viewsAug 19, 2020
YouTubeAlphaYellow
45:20
Portal 1 Walkthrough
318.1K viewsApr 13, 2011
YouTubeVery Nice Person 🇵🇱
1:31:16
Portal 1 Fullgameplay 4K60FPS (no commentary)
8 views4 months ago
YouTubeEnjoyingmatandpat
1:35:14
Portal 1 Full Playthrough With Commentary
117 views10 months ago
YouTubeDuckbillGaming
1:18:47
Portal 1 - Full Game Walkthrough [Longplay]
404 viewsFeb 10, 2023
YouTubeGaming Central
Portal 1 - Full Game Walkthrough
Aug 19, 2020
yandex.com.tr
6:04
Portal walkthrough - Test Chamber 16
138.7K viewsAug 23, 2011
YouTubep2wiki
1:04:48
Portal 1 playthrough
1 views1 month ago
YouTubeAlex
7:28
Portal walkthrough - Test Chamber 15
222.8K viewsAug 23, 2011
YouTubep2wiki
3:20
Portal - Test Chamber 15 (Walkthrough)
3.9K viewsSep 20, 2019
YouTubeGamivide
See more videos
Static thumbnail place holder