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Guides Steam populaires Guides rédigés, références et soluces
FIX for Achievements that did not unlock
par Calmly Frenetic
What to do when completed Portal achievements don't show as unlocked on Steam....
Screenshots of radio: Test chamber 00 - 19
par Captain foxy
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Weapon Cheats Guide!
par 
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....
Прохождение бонусных карт на время
par Extragamer
Для того чтобы выполнить эти 3 достижения в Portal: 1)Основы науки - Закончить все испытания с бронзовыми медалями. 2)Настоящий учёный [/...
Прохождения бонусных карт на кол-во шагов
par Extragamer
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Least Time Challenges
par Jimo
I will demonstrate how you can complete all of the Least Time challenges in Portal to work towards the Aperture Science Achievement....
Все достижения в Portal
par ProOldRaven
Гайд по получению всех ачивментов в количестве пятнадцати штук. Видео и разъяснения прилагаются....
Least Steps Challenges
par Jimo
I will demonstrate how you can complete all of the Least Steps challenges in Portal to work towards the Aperture Science Achievement....
Least Portals Challenges
par Jimo
I will demonstrate how you can complete all of the Least Portals challenges in Portal to work towards the Aperture Science Achievement....
Console Commands, Trick for challenge maps, Camera Shy/Final Transmission location and more
par Ov3RT4K3R
Console Commands Trick for challenge maps Camera Shy locations Final Transmission locations Den locations and more...