Perfect Harmony
Tint your clothes with those colors: Wetland Ebony and Wetland Ivory.
4/27/2011
3:04:04 AM
Rare 14.1%
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
4/22/2011
10:18:59 PM
Ultra Rare 1.8%
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
4/21/2011
4:09:52 AM
Ultra Rare 2.1%
Party of Three
Find the hidden companion cube in co-op test chamber
4/20/2011
11:34:57 PM
Ultra Rare 2.9%
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
4/20/2011
11:14:04 PM
Very Rare 6.0%
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
4/20/2011
9:46:38 PM
Ultra Rare 2.8%
Final Transmission
Find the hidden signal in one of the Rat Man's dens
4/20/2011
6:49:25 PM
Very Rare 7.7%
Schrodinger's Catch
Catch a blue-painted box before it touches the ground
4/20/2011
6:21:26 PM
Very Rare 6.9%
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
4/20/2011
8:28:09 AM
Rare 15.7%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
4/20/2011
6:58:16 AM
Rare 20.6%
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
4/20/2011
6:25:27 AM
Very Rare 7.9%
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
4/20/2011
5:52:07 AM
Ultra Rare 3.9%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
4/20/2011
5:39:22 AM
Rare 31.6%