Download >> Download Portal aperture science achievement guide

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5 Oct 2017 Acquire the fully powered Aperture Science Handheld Portal Device. How to obtain: This achievement is story related, and is earned once
15 Apr 2012
12 Jun 2012
17 Mar 2013 This series of guides will teach you how to obtain the Aperture Science achievement in Portal. Before you’re able to achieve this you need to
15 Jan 2016 Aperture Science Achievement in Portal: Earn gold medals on all Portal challenges. Find guides to this achievement here.
19 Dic 2018 15 Jan 2016 Aperture Science Achievement in Portal: Earn gold medals on all Portal challenges. Find guides to this achievement here.
5 May 2008 Easily complete Aperture Science achievement Half Life 2: The Orange Box. Hmmm, good way to help with the least portal rooms. Useless .. Again Achievement Guide – Bronze Submit – Gold 1,000 Posts Road Map – GoldHi All, I did up some quick videos on how to get the Aperture Science Achievement in Portal. Hope someone finds it useful!
28 Feb 2010 Aperture Science Achievement in The Orange Box: Earn gold medals on all Portal challenges – worth 40 GamerScore. Find guides to this
This is a featured guide. Click here for more information. Portal/Challenges the Rocket Science Achievement and with all gold medals the Aperture Science

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