Portal 2 achievements

Portal 2

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There are a maximum of 50 Portal 2 achievements worth 1,662 (1,000)

109,942 tracked gamers have this game, 11,681 have completed it (10.62%)

Achievement Details

Overclocker in Portal 2

Overclocker51 (30)

Complete Test Chamber 10 in 70 seconds

  • Unlocked by 38,121 tracked gamers (35% - TA Ratio = 1.69) 109,942  

Achievement Guide for Overclocker

553,924 (323,095)
Achievement won on 21 Apr 11
TA Score for this game: 1,662
Posted on 21 April 11 at 02:52, Edited on 21 July 12 at 18:47
This solution has 118 positive votes and 3 negative votes. Please log in to vote.
Chapter 3 - Chamber 10

Learn the level by doing it a few times at a regular pace, then try and follow the video as best as you can, and you should have no problem getting this achievements in a few tries. Can easily be done with 5 seconds to spare.

The timer begins when you exit the elevator, and stops once the cube touches the pad, unlocking the achievement if done quickly enough.

Note: With the new update, you can get this achievement in Challenge Mode on "The Return: Ricochet"
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