theCartographer

theCartographer

446
31
25 Apr 11
17h 48m
62%
theCartographer

Confidence Building achievement in Portal 2

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course

Confidence Building0
13 March 2015Online/Offline - These achievements can be obtained in either an online or offline game mode.Cooperative - These achievements can be obtained by two or more players in a cooperative game mode who have met the achievement requirements.Main Storyline - These achievements are gained automatically by progressing through the main game mode.
Hide ads

Have you got any tips or tricks to unlock this achievement?
Add a guide to share them with the community.

Sign in and add a guide
Do you have a question about this achievement? Please post it in the Portal 2 Forum