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Integrerte guider  Guider som har blitt integrert med Portal
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Выполняем достижение "Застенчивый".
av echoplex
Здравствуйте! В этом руководстве я подробно опишу, как выполнить достижение "Застенчивый"....
Walkthrought de Portal en español
av Eruen
Videoguía completa de Portal en español....
All Challenge Maps Walkthrough
av Mach1ne
In this Guide i will show how to complete All Challenge Maps....
Portal // Get the classic portal textures
av ᴿᴱᴻᴱ™ // Flu
How to get the classic portal textures...
Получаем всё достижения в игре Portal
av Marik78
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Weapon Cheats Guide!
av 
This guide will suprise you of how many weapons there is in Portal! You will need to know how to open up the developer console....
Transmission Received Achievement
av lonerunner
This guide is intended to help you easier find all transmissions and set them to their final location where they should receive transmission....
Passage game +getting all achievements
av TroLL
This guide provides a video course pass of the game, as well as the passage of challenges and advanced maps. Also along the way you will find out what achievements you can get....
Long Jump Achievement
av Remi
How to get the Long Jump achievement in Portal....
Все достижения в Portal
av ProOldRaven
Гайд по получению всех ачивментов в количестве пятнадцати штук. Видео и разъяснения прилагаются....