Portal 2 achievements
917
(510)

Portal 2

4.6 from 359 votes

There are a maximum of 51 Portal 2 achievements worth 917

8,792 tracked gamers have this game, 544 have completed it (6.19%)

Achievement Details

Dual Pit Experiment in Portal 2

Dual Pit Experiment13

Do the same test twice

  • Unlocked by 5,709 tracked gamers (61% - TSA Ratio = 1.27) 9,310  

Achievement Guide for Dual Pit Experiment

AuthorSolution
Yazite
17,718
Yazite
Achievement won on 09 Feb 16
TSA Score for this game: 829
Posted on 10 February 16 at 14:14
This solution has 2 positive votes 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