Portal 2 achievements
912
(510)

Portal 2

4.6 from 338 votes

There are a maximum of 51 Portal 2 achievements worth 912

8,298 tracked gamers have this game, 509 have completed it (6.13%)

Achievement Details

Dual Pit Experiment in Portal 2

Dual Pit Experiment13

Do the same test twice

  • Unlocked by 5,204 tracked gamers (63% - TSA Ratio = 1.25) 8,298  

Achievement Guide for Dual Pit Experiment

AuthorSolution
Yazite
17,648
Yazite
Achievement won on 09 Feb 16
TSA Score for this game: 823
Posted on 10 February 16 at 14:14
This solution has 1 positive vote and 1 negative vote. Please log in to vote.
Story related and cannot be missed.

This is achieved at the very start of Chapter 8.
Please log in to comment on this solution.
Do you have a question about this achievement? Please post it in the Portal 2 Forum

Related Achievements and Trophies