Portal 2
Lunacy
That just happened
Earned on 2011-05-20 01:34:33
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row
Earned on 2011-06-29 03:54:58
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
Earned on 2011-07-02 18:38:22
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
Earned on 2011-06-29 05:04:05
Team Building
Complete all test chambers in the Team Building co-op course
Earned on 2011-06-29 04:12:27
High Five
Celebrate your cooperative calibration success
Earned on 2011-06-29 03:35:00
The Part Where He Kills You
This is that part
Earned on 2011-05-20 00:27:44
Tunnel of Funnel
Master the Excursion Funnel
Earned on 2011-05-20 00:11:54
Dual Pit Experiment
Do the same test twice
Earned on 2011-05-19 22:23:48
White Out
Complete the first Conversion Gel test
Earned on 2011-05-19 21:46:02
Stranger Than Friction
Master the Propulsion Gel
Earned on 2011-05-19 21:12:19
Tater Tote
Carry science forward
Earned on 2011-05-13 23:58:33
Vertically Unchallenged
Master the Repulsion Gel
Earned on 2011-05-13 23:03:30
Stalemate Associate
Press the button!
Earned on 2011-05-13 22:15:04
Scanned Alone
Stand in a defective turret detector
Earned on 2011-05-13 21:55:49
Good Listener
Take GLaDOS' escape advice
Earned on 2011-05-13 21:39:28
SaBOTour
Make a break for it
Earned on 2011-05-13 21:38:55
Bridge Over Troubling Water
Complete the first Hard-Light Surfaces test
Earned on 2011-05-13 16:57:18
Preservation of Mass
Break the rules in Test Chamber 07
Earned on 2011-05-09 20:51:39
Undiscouraged
Complete the first Thermal Discouragement Beam test
Earned on 2011-05-09 20:18:57
You Monster
Reunite with GLaDOS
Earned on 2011-05-09 20:12:08
Wake Up Call
Survive the manual override
Earned on 2011-05-06 16:09:06
