Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
5/26/2011
2:52:59 AM
Rare 15.7%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
5/26/2011
1:25:12 AM
Very Rare 5.5%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
5/20/2011
3:30:33 AM
Rare 20.6%
Hit the Trail
Get from Blackwater to Escalera before sundown in a public Free Roam session.
5/18/2011
1:56:54 AM
Ultra Rare 1.3%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
5/15/2011
10:06:02 PM
Rare 31.6%
