Unlocked: Jun 18, 2011 3:50pm
Wake Up Call
Survive the manual override
Unlocked: Jun 18, 2011 4:12pm
You Monster
Reunite with GLaDOS
Unlocked: Jun 18, 2011 4:18pm
Undiscouraged
Complete the first Thermal Discouragement Beam test
Unlocked: Jun 18, 2011 5:13pm
Bridge Over Troubling Water
Complete the first Hard Light Bridge test
Unlocked: Jun 18, 2011 6:32pm
SaBOTour
Make a break for it
Unlocked: Jun 19, 2011 7:14am
Stalemate Associate
Press the button!
Unlocked: Jul 8, 2011 3:04pm
Tater Tote
Carry science forward
Unlocked: Jun 19, 2011 8:29am
Vertically Unchallenged
Master the Repulsion Gel
Unlocked: Jul 14, 2011 5:47pm
Stranger Than Friction
Master the Propulsion Gel
Unlocked: Jul 14, 2011 6:08pm
White Out
Complete the first Conversion Gel test
Unlocked: Jul 30, 2011 11:17am
Dual Pit Experiment
Do the same test twice
Unlocked: May 17, 2013 7:31pm
The Part Where He Kills You
This is that part
Unlocked: May 17, 2013 8:00pm
Lunacy
That just happened
Unlocked: Jan 14, 2012 8:18am
Drop Box
Place a cube on a button without touching the cube
Unlocked: Jan 14, 2012 8:22am
Preservation of Mass
Break the rules in Test Chamber 07
Unlocked: Jan 14, 2012 8:16am
Final Transmission
Find the hidden signal in one of the Rat Man's dens
Unlocked: Jun 18, 2011 6:33pm
Good Listener
Take GLaDOS' escape advice
Unlocked: Jun 18, 2011 6:50pm
Scanned Alone
Stand in a defective turret detector
Unlocked: Jun 18, 2011 6:46pm
No Hard Feelings
Save a turret from redemption
Unlocked: Jul 8, 2011 2:51pm
Schrodinger's Catch
Catch a blue-painted box before it touches the ground
Unlocked: Jul 8, 2011 3:02pm
Ship Overboard
Discover the missing experiment
Unlocked: Jul 8, 2011 3:01pm
Door Prize
Examine all the vitrified test chamber doors
Unlocked: Jun 22, 2012 11:41am
Portrait of a Lady
Find a hidden portrait
Unlocked: Jul 13, 2011 6:14pm
High Five
Celebrate your cooperative calibration success
Unlocked: Sep 17, 2011 6:33pm
Team Building
Complete all test chambers in the Team Building co-op course
Unlocked: Sep 17, 2011 6:33pm
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
Unlocked: Sep 17, 2011 6:33pm
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked: Sep 17, 2011 6:33pm
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
Unlocked: Sep 17, 2011 6:33pm
Gesticul-8
Perform all 8 gestures of your own volition in co-op
Unlocked: Sep 18, 2011 4:12pm
Air Show
Perform 2 aerial gestures before touching the ground in co-op
Tunnel of Funnel
Master the Excursion Funnel
Overclocker
Complete Test Chamber 10 in 70 seconds
Pit Boss
Show that pit who's boss
Pturretdactyl
Use an Aerial Faith Plate to launch a turret
You Made Your Point
Refuse to solve the first test in Chapter 8
Smash TV
Break 11 test chamber monitors
You Saved Science
Complete all test chambers in all courses of co-op
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Party of Three
Find the hidden companion cube in co-op test chamber
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Still Alive
Complete Course 4 with neither you nor your co-op partner dying
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course
