Gamer Achievement Win

Portal 2
Game
1,549
(1,000)

Portal 2

4.7 from 6332 votes
 

61,484 tracked gamers have this game, 8,472 have completed it (13.78%) | 319 want to boost

There are a maximum of 50 Portal 2 achievements worth 1,549 (1,000)

Imp
30%

Imp223 (195)

First played Sunday, 16 October 2011

15 achievements out of 50 won

Dual Pit Experiment Achievement in Portal 2

View guide to getting this achievementDual Pit Experiment17 (15)

Offline Required - This achievement requires play in offline game modesSingle Player - This achievement can be obtained in single player game modesMain Storyline - This achievement is gained automatically by progressing through the main game mode
Do the same test twice

0.0Achievement won by Imp on 22 October 2011 | There is 1 guide | Earn this in the Portal 2 Walkthrough