Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
6/13/2011
5:02:26 AM
Very Rare 6.0%
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
6/12/2011
7:20:15 AM
Ultra Rare 1.8%
Still Alive
Complete Course 4 with neither you nor your co-op partner dying
6/12/2011
7:15:11 AM
Ultra Rare 1.4%
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
6/11/2011
1:03:11 PM
Ultra Rare 2.8%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
6/11/2011
12:40:33 PM
Very Rare 5.5%
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
6/11/2011
12:35:45 PM
Ultra Rare 3.9%
Party of Three
Find the hidden companion cube in co-op test chamber
6/11/2011
12:32:24 PM
Ultra Rare 2.9%
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
6/11/2011
12:20:04 PM
Very Rare 7.9%
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
6/11/2011
12:16:14 PM
Ultra Rare 4.6%
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
6/11/2011
12:11:57 PM
Ultra Rare 2.1%
Schrodinger's Catch
Catch a blue-painted box before it touches the ground
6/11/2011
9:35:17 AM
Very Rare 6.9%
Final Transmission
Find the hidden signal in one of the Rat Man's dens
6/11/2011
8:17:58 AM
Very Rare 7.7%
