Gamer Achievement Win

Portal 2
Game
1,548
(1,000)

Portal 2

4.7 from 6247 votes
 

60,914 tracked gamers have this game, 8,378 have completed it (13.75%) | 313 want to boost

There are a maximum of 50 Portal 2 achievements worth 1,548 (1,000)

yourself1237
16%

yourself1237264 (190)

First played Wednesday, 05 October 2011

8 achievements out of 50 won

Confidence Building Achievement in Portal 2

View guide to getting this achievementConfidence Building12 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeCooperative - This achievement can be obtained in non-versus game modes where players work together
Complete all test chambers in the Mass and Velocity co-op course

0.0Achievement won by yourself1237 on 05 October 2011 | There are 2 guides | Earn this in the Portal 2 Walkthrough