Gamer Achievement Win

Portal 2
Game
1,548
(1,000)

Portal 2

4.7 from 6257 votes
 

60,941 tracked gamers have this game, 8,389 have completed it (13.77%) | 313 want to boost

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

Sir Gary 01648
52%

Sir Gary 01648448 (355)

First played Tuesday, 12 June 2012

26 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 Sir Gary 01648 on 13 June 2012 | There are 2 guides | Earn this in the Portal 2 Walkthrough