Portal 2
51 Achievements
20-25h
PS3
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
15.7%
How to unlock the Obstacle Building achievement in Portal 2 - Definitive Guide
dropK1CK ninJA
TrueAchievements
TrueAchievements
This is the fourth course in the Portal 2 co-op campaign. Things start to get difficult with these puzzles. Trying to completed these chambers without dying is a nice little challenge that can chew up an hour or two.
These video guides should make things easier for you.
Note: I couldn't find split-screen videos, but I will update this solution once I find some.
These video guides should make things easier for you.
Note: I couldn't find split-screen videos, but I will update this solution once I find some.
BoogerMen
stratege.ru
stratege.ru
This guide was translated automatically.
Story achievement. You need to pass the third series of tests. In the same series we can get the achievement:
- " Air Show / Air Show ".