Portal - Full Walkthrough
40:42
Portal - Full Walkthrough
2.8M viewsMar 31, 2015
YouTubeBolloxed
Portal 1 - Full Playthrough
2:17:14
Portal 1 - Full Playthrough
2.5K viewsJan 15, 2018
YouTubeHypnotizdLIVE
Portal Full walkthrough [100%]
48:50
Portal Full walkthrough [100%]
25.6K viewsOct 5, 2019
YouTubeCarrot Helper - 100% Walkthroughs | No Com…
Portal - Longplay Full Game Walkthrough (No Commentary)
1:36:14
Portal - Longplay Full Game Walkthrough (No Commentary)
28K viewsAug 9, 2022
YouTubeLoopy Longplays
Portal 1 Full Walkthrough (2025) | Mastering GLaDOS After Portal 2 | 4K Gameplay via OBS Studio
1:57:51
Portal 1 Full Walkthrough (2025) | Mastering GLaDOS After Portal 2 | 4K Gameplay via OBS Studio
37 views1 year ago
YouTubeFloral_Games
Portal 1 Nintendo Switch Full Game Walkthrough (Portal Companion Collection)
1:09:11
Portal 1 Nintendo Switch Full Game Walkthrough (Portal Companion Collection)
35.3K viewsJun 28, 2022
YouTubeDestruction Games
PORTAL Full Gameplay Walkthrough / No Commentary【FULL GAME】 4K UHD
53:19
PORTAL Full Gameplay Walkthrough / No Commentary【FULL GAME】 4K UHD
94.4K viewsJan 3, 2024
YouTubeGamer's Little Playground
2:59
Portal Intro and Level 1 Walkthrough
114.3K viewsOct 11, 2007
YouTubeTheDarksage1978
45:20
Portal 1 Walkthrough
318.3K viewsApr 13, 2011
YouTubeVery Nice Person 🇵🇱
2:08:30
Portal 1 Complete Game Walkthrough Full Game Story Ending
2.3K viewsApr 19, 2020
YouTubeSweepers Tony & Nox
19:27
Portal - Test Chamber 19 (Walkthrough)
7.3K viewsSep 20, 2019
YouTubeGamivide
13:24
Portal walkthrough - GLaDOS' Chamber
159.8K viewsAug 31, 2011
YouTubep2wiki
36:47
Portal 1 Multiplayer Gameplay Walkthrough
7K viewsSep 2, 2022
YouTubeSkuller Rey
1:03:14
Portal 1 - Komplettlösung German (Deutsch) Walkthrough
18.5K viewsSep 3, 2011
YouTubeCommanderRoot
1:06:00
PORTAL | Full Gameplay Walkthrough | No Commentary
866.2K viewsOct 1, 2017
YouTubegiedmich
6:07:25
PORTAL 1-2 Full Game Walkthrough - No Commentary (PORTAL 1-2 Single Player Full Game)
82.8K viewsAug 12, 2021
YouTubeRabidRetrospectGames
3:10
Portal 1 Walkthrough - Chamber 15
165.2K viewsFeb 10, 2012
YouTubeJackster1337
1:13:24
PORTAL Full Game Walkthrough - No Commentary (#Portal Full Game) Orange Box PC
25.9K viewsJul 31, 2020
YouTubeRabidRetrospectGames
1:51:39
Portal Walkthrough
565.6K viewsFeb 13, 2008
YouTube3DBuzz
3:27
Portal 1 Walkthrough - Chamber 17
52.1K viewsFeb 10, 2012
YouTubeJackster1337
3:04
Portal 1 Walkthrough - Chamber 16
44K viewsFeb 10, 2012
YouTubeJackster1337
6:08
Portal 1 Walkthrough - Chamber 18
223K viewsFeb 10, 2012
YouTubeJackster1337
14:03
Portal 1 Walkthrough - Chamber 19
376.1K viewsFeb 11, 2012
YouTubeJackster1337
2:16
Portal - Bonus Maps - Test Chamber 18 (Advanced)
36.4K viewsJun 1, 2010
YouTubejkong44
6:26
Portal 1 Walkthrough - Chamber 19.5 The Fight, Credits and CAKE!
41.3K viewsFeb 11, 2012
YouTubeJackster1337
30:12
The Cake is a Lie - Portal Walkthrough Part 3 [Portal All Achievements Walkthrough]
9.4K viewsSep 13, 2017
YouTubePete Complete
5:51
Portal Challenges: Least Time
89.1K viewsOct 5, 2019
YouTubeCarrot Helper - 100% Walkthroughs | No Com…
26:22
Portal 1 - Test chamber 19 Walkthrough
8.9K viewsFeb 14, 2017
YouTubeSimonius
20:49
Test Chamber 19-End - Portal Walkthrough - Chapter 8
553.8K viewsJul 27, 2012
YouTubeKST
See more