Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
4/24/2014
5:47:52 PM
Ultra Rare 2.1%
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
4/22/2014
8:58:17 PM
Ultra Rare 4.6%
Party of Three
Find the hidden companion cube in co-op test chamber
4/19/2014
9:15:04 PM
Ultra Rare 2.9%
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
4/19/2014
8:02:51 PM
Very Rare 6.0%
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
4/19/2014
2:30:05 PM
Rare 15.7%
Still Alive
Complete Course 4 with neither you nor your co-op partner dying
4/19/2014
2:29:17 PM
Ultra Rare 1.4%
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
4/16/2014
6:27:57 PM
Ultra Rare 2.8%
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
4/15/2014
10:55:37 PM
Ultra Rare 3.9%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
4/15/2014
9:55:42 PM
Very Rare 5.5%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
4/15/2014
9:45:18 PM
Rare 20.6%
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
4/15/2014
7:53:34 PM
Very Rare 7.9%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
4/14/2014
8:36:41 PM
Rare 31.6%
Team Building
Complete all test chambers in the Team Building co-op course
4/3/2014
9:24:23 PM
Rare 46.8%
