That's the End of That Chapter
[Story] Viewed any character's canon ending in Story Mode.
5/13/2011
3:48:53 AM
Rare 42.3%
Level One...!
[Story] Watched "Previously on..." and "Opening" in Story Mode.
5/13/2011
2:35:53 AM
Common 58.3%
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
4/24/2011
4:25:17 AM
Very Rare 6.0%
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
4/24/2011
4:02:53 AM
Rare 15.7%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
4/22/2011
3:48:03 AM
Rare 20.6%
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
4/22/2011
3:02:22 AM
Very Rare 7.9%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
4/22/2011
2:07:03 AM
Rare 31.6%
Team Building
Complete all test chambers in the Team Building co-op course
4/22/2011
12:26:36 AM
Rare 46.8%