Kiddalingur

Kiddalingur

50
4
27 Sep 15
2h 49m
8%
Kiddalingur

Confidence Building achievement in Portal 2

Confidence Building

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

Confidence Building0
30 March 2018Online/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.
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