Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
5/20/2011
2:30:47 PM
Ultra Rare 1.8%
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
5/20/2011
2:26:51 PM
Very Rare 6.0%
Round Heels
At the Bamba Club, get Dick McColl to give up the license plate of Celine Henry's male companion.
5/19/2011
7:37:38 PM
Common 54.6%
Stab-Rite
At Ray's Cafe, find the bloodstained knife on your first sweep of the crime scene.
5/19/2011
1:35:29 AM
Common 50.5%
Golden Boy
Clear a case finding every clue as an LAPD Detective or Investigator.
5/19/2011
12:05:37 AM
Common 60.5%
The Third Degree
Correctly branch every question in every interview in a single story case.
5/19/2011
12:05:27 AM
Rare 32.1%
The Straight Dope
Use evidence to prove a lie as an LAPD Detective or Investigator.
5/18/2011
11:54:00 PM
Common 72.5%
Party of Three
Find the hidden companion cube in co-op test chamber
5/18/2011
10:18:37 PM
Ultra Rare 2.9%
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
5/18/2011
5:31:20 PM
Ultra Rare 3.9%
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
5/18/2011
5:16:27 PM
Rare 15.7%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
5/18/2011
3:56:59 PM
Rare 20.6%
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
5/18/2011
3:24:13 PM
Ultra Rare 2.8%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
5/18/2011
3:11:45 PM
Very Rare 5.5%