Portal 2 achievements
940
(510)

Portal 2

4.7 from 320 votes

There are a maximum of 51 Portal 2 achievements worth 940

7,728 tracked gamers have this game, 439 have completed it (5.68%)

Achievement Details

Dual Pit Experiment in Portal 2

Dual Pit Experiment13

Do the same test twice

  • Unlocked by 4,626 tracked gamers (60% - TSA Ratio = 1.29) 7,728  

Achievement Guide for Dual Pit Experiment

AuthorSolution
Yazite
16,027
Yazite
Achievement won on 09 Feb 16
TSA Score for this game: 520
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