Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
12/20/2011
5:51:11 PM
Ultra Rare 2.1%
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
12/20/2011
5:06:54 PM
Ultra Rare 3.9%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
12/20/2011
4:59:20 PM
Rare 31.6%
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
12/20/2011
4:14:54 PM
Ultra Rare 2.8%
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
12/20/2011
3:37:48 PM
Ultra Rare 1.8%
Team Building
Complete all test chambers in the Team Building co-op course
12/20/2011
3:04:16 PM
Rare 46.8%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
12/20/2011
2:11:20 PM
Very Rare 5.5%
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
12/20/2011
2:06:23 PM
Ultra Rare 4.6%
Protector
Completed 20 ambush, outpost defense, or mortar secondary missions
12/20/2011
2:45:47 AM
Rare 21.7%
I've never touched an axe before.
Personally smoted 300 enemies - any mode
12/20/2011
2:40:36 AM
Rare 41.2%
Armchair General
Won a stage battle by yourself against the AI without attacking
12/15/2011
7:23:20 AM
Ultra Rare 4.0%