Portal 2
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Earned on 2011-11-27 19:39:30
You Saved Science
Complete all test chambers in all courses of co-op
Earned on 2011-10-29 05:01:33
Lunacy
That just happened
Earned on 2011-10-16 00:33:14
Overclocker
Complete Test Chamber 10 in 70 seconds
Earned on 2011-10-16 03:01:29
Drop Box
Place a cube on a button without touching the cube
Earned on 2011-10-16 02:38:04
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
Earned on 2011-10-13 02:21:14
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row
Earned on 2011-10-06 06:31:24
Still Alive
Complete Course 4 with neither you nor your co-op partner dying
Earned on 2011-10-31 01:19:10
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Earned on 2011-10-29 18:24:23
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
Earned on 2011-10-29 03:35:06
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
Earned on 2011-10-23 00:55:13
Party of Three
Find the hidden companion cube in co-op test chamber
Earned on 2011-10-23 00:50:59
Gesticul-8
Perform all 8 gestures of your own volition in co-op
Earned on 2011-10-23 00:15:50
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
Earned on 2011-10-22 23:35:25
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
Earned on 2011-10-22 23:10:46
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Earned on 2011-10-22 21:37:54
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Earned on 2011-10-22 21:27:38
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
Earned on 2011-10-22 21:18:53
Pit Boss
Show that pit who's boss
Earned on 2011-10-16 06:40:05
Smash TV
Break 11 test chamber monitors
Earned on 2011-10-16 06:34:02
You Made Your Point
Refuse to solve the first test in Chapter 8
Earned on 2011-10-16 04:05:19
Ship Overboard
Discover the missing experiment
Earned on 2011-10-16 03:49:31
Door Prize
Examine all the vitrified test chamber doors
Earned on 2011-10-16 03:49:14
Schrodinger's Catch
Catch a blue-painted box before it touches the ground
Earned on 2011-10-16 03:39:38
Final Transmission
Find the hidden signal in one of the Rat Man's dens
Earned on 2011-10-16 02:36:04
Pturretdactyl
Use an Aerial Faith Plate to launch a turret
Earned on 2011-10-16 02:34:33
White Out
Complete the first Conversion Gel test
Earned on 2011-10-16 02:14:45
Portrait of a Lady
Find a hidden portrait
Earned on 2011-10-16 01:35:22
Scanned Alone
Stand in a defective turret detector
Earned on 2011-10-16 01:13:57
No Hard Feelings
Save a turret from redemption
Earned on 2011-10-16 01:07:38
The Part Where He Kills You
This is that part
Earned on 2011-10-15 23:53:10
Tunnel of Funnel
Master the Excursion Funnel
Earned on 2011-10-15 23:20:58
Dual Pit Experiment
Do the same test twice
Earned on 2011-10-15 21:48:47
Stranger Than Friction
Master the Propulsion Gel
Earned on 2011-10-15 06:09:19
Tater Tote
Carry science forward
Earned on 2011-10-15 05:46:13
Vertically Unchallenged
Master the Repulsion Gel
Earned on 2011-10-14 06:47:35
Stalemate Associate
Press the button!
Earned on 2011-10-13 07:08:19
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Earned on 2011-10-13 06:33:21
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
Earned on 2011-10-13 06:17:12
Good Listener
Take GLaDOS' escape advice
Earned on 2011-10-13 05:41:01
SaBOTour
Make a break for it
Earned on 2011-10-13 05:40:25
Bridge Over Troubling Water
Complete the first Hard-Light Surfaces test
Earned on 2011-10-13 04:21:38
Preservation of Mass
Break the rules in Test Chamber 07
Earned on 2011-10-13 03:57:08
Undiscouraged
Complete the first Thermal Discouragement Beam test
Earned on 2011-10-13 03:15:38
Air Show
Perform 2 aerial gestures before touching the ground in co-op
Earned on 2011-10-06 06:45:40
Team Building
Complete all test chambers in the Team Building co-op course
Earned on 2011-10-06 06:34:30
High Five
Celebrate your cooperative calibration success
Earned on 2011-10-06 06:02:42
You Monster
Reunite with GLaDOS
Earned on 2011-10-06 05:48:47
Wake Up Call
Survive the manual override
Earned on 2011-10-06 05:13:16
