Four Ring Circus
Enter 4 different portals without touching the ground in co-op
4/30/2011
4:19:24 AM
Ultra Rare 4.6%
Bridge Over Troubling Water
Complete the first Hard-Light Surfaces test
4/30/2011
12:47:24 AM
Common 62.8%
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
4/30/2011
12:16:04 AM
Rare 15.7%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
4/29/2011
10:21:07 PM
Rare 20.6%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
4/29/2011
9:30:38 PM
Very Rare 5.5%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
4/29/2011
2:02:34 AM
Rare 31.6%
