Gamer Achievement Win

Portal 2
1,575
(1,000)

Portal 2

4.6 from 7877 votes
 

There are a maximum of 50 Portal 2 achievements worth 1,575 (1,000)

75,769 tracked gamers have this game, 9,901 have completed it (13.07%) | 354 want to boost

Portal Conservation Society in Portal 2

View guide to getting this achievementPortal Conservation Society38 (20)

Online/Offline - These achievements can be obtained in either an online or offline mode.Cooperative + - These achievements can be obtained by two or more players and everyone who has met the requirements will earn the achievement. Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements