Portal 2
You Saved Science
Complete all test chambers in all courses of co-op
Earned on 2011-05-15 06:13:14
Lunacy
That just happened
Earned on 2011-04-30 06:24:04
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row
Earned on 2011-04-22 08:34:02
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
Earned on 2011-05-15 06:20:03
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
Earned on 2011-05-15 04:21:50
Gesticul-8
Perform all 8 gestures of your own volition in co-op
Earned on 2011-05-15 03:36:47
Air Show
Perform 2 aerial gestures before touching the ground in co-op
Earned on 2011-05-15 03:28:34
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
Earned on 2011-05-15 03:04:15
The Part Where He Kills You
This is that part
Earned on 2011-04-30 05:53:43
Tunnel of Funnel
Master the Excursion Funnel
Earned on 2011-04-30 05:44:24
Dual Pit Experiment
Do the same test twice
Earned on 2011-04-29 05:44:40
White Out
Complete the first Conversion Gel test
Earned on 2011-04-28 08:00:46
Stranger Than Friction
Master the Propulsion Gel
Earned on 2011-04-28 07:42:49
Tater Tote
Carry science forward
Earned on 2011-04-28 03:43:52
Ship Overboard
Discover the missing experiment
Earned on 2011-04-28 03:40:27
Vertically Unchallenged
Master the Repulsion Gel
Earned on 2011-04-28 03:22:02
Stalemate Associate
Press the button!
Earned on 2011-04-28 01:33:36
Scanned Alone
Stand in a defective turret detector
Earned on 2011-04-28 01:15:28
SaBOTour
Make a break for it
Earned on 2011-04-28 01:03:40
Bridge Over Troubling Water
Complete the first Hard-Light Surfaces test
Earned on 2011-04-26 03:45:22
Undiscouraged
Complete the first Thermal Discouragement Beam test
Earned on 2011-04-25 17:56:18
You Monster
Reunite with GLaDOS
Earned on 2011-04-25 17:52:32
Wake Up Call
Survive the manual override
Earned on 2011-04-25 17:31:38
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
Earned on 2011-04-24 20:47:09
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
Earned on 2011-04-22 23:24:40
Team Building
Complete all test chambers in the Team Building co-op course
Earned on 2011-04-22 08:45:14
High Five
Celebrate your cooperative calibration success
Earned on 2011-04-22 08:16:28
