Gamer Achievement Win

Portal 2 achievements
1,654
(1,000)

Portal 2

4.6 from 9067 votes

There are a maximum of 50 Portal 2 achievements worth 1,654 (1,000)

106,457 tracked gamers have this game, 11,523 have completed it (10.82%) | 378 want to boost

Portal Conservation Society in Portal 2
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked by 25,546 tracked gamers (24% - TA Ratio = 2.03)