Portal 2
G r e e b z's Progress
Wake Up Call
Survive the manual override
Unlocked 15 May 2011 at 8:57 AM
You Monster
Reunite with GLaDOS
Unlocked 15 May 2011 at 9:41 AM
Undiscouraged
Complete the first Thermal Discouragement Beam test
Unlocked 15 May 2011 at 10:04 AM
Bridge Over Troubling Water
Complete the first Hard Light Bridge test
Unlocked 16 May 2011 at 8:34 AM
SaBOTour
Make a break for it
Unlocked 16 May 2011 at 9:54 AM
Stalemate Associate
Press the button!
Unlocked 22 Nov 2012 at 2:04 AM
Tater Tote
Carry science forward
Unlocked 22 Nov 2012 at 2:04 AM
Vertically Unchallenged
Master the Repulsion Gel
Unlocked 22 Nov 2012 at 2:04 AM
Stranger Than Friction
Master the Propulsion Gel
Unlocked 22 Nov 2012 at 2:04 AM
White Out
Complete the first Conversion Gel test
Unlocked 22 Nov 2012 at 2:04 AM
Tunnel of Funnel
Master the Excursion Funnel
Unlocked 22 Nov 2012 at 2:04 AM
Dual Pit Experiment
Do the same test twice
Unlocked 22 Nov 2012 at 2:04 AM
The Part Where He Kills You
This is that part
Unlocked 22 Nov 2012 at 2:04 AM
Lunacy
That just happened
Unlocked 22 Nov 2012 at 2:04 AM
Drop Box
Place a cube on a button without touching the cube
Unlocked 13 Mar 2017 at 6:41 AM
Overclocker
Complete Test Chamber 10 in 70 seconds
Unlocked 22 Aug 2020 at 9:14 PM
Pit Boss
Show that pit who's boss
Unlocked 15 May 2018 at 2:18 PM
Preservation of Mass
Break the rules in Test Chamber 07
Unlocked 16 May 2011 at 8:14 AM
Pturretdactyl
Use an Aerial Faith Plate to launch a turret
Unlocked 2 Mar 2017 at 11:30 AM
Final Transmission
Find the hidden signal in one of the Rat Man's dens
Unlocked 22 Aug 2020 at 9:14 PM
Good Listener
Take GLaDOS' escape advice
Unlocked 16 May 2011 at 9:54 AM
Scanned Alone
Stand in a defective turret detector
Unlocked 16 May 2011 at 10:07 AM
No Hard Feelings
Save a turret from redemption
Unlocked 16 May 2011 at 10:04 AM
Schrodinger's Catch
Catch a blue-painted box before it touches the ground
Unlocked 22 Aug 2020 at 9:14 PM
Ship Overboard
Discover the missing experiment
Unlocked 22 Nov 2012 at 2:04 AM
Door Prize
Examine all the vitrified test chamber doors
Unlocked 22 Aug 2020 at 9:14 PM
Portrait of a Lady
Find a hidden portrait
Unlocked 15 May 2018 at 12:52 PM
You Made Your Point
Refuse to solve the first test in Chapter 8
Unlocked 22 Aug 2020 at 9:14 PM
Smash TV
Break 11 test chamber monitors
Unlocked 22 Aug 2020 at 9:14 PM
High Five
Celebrate your cooperative calibration success
Unlocked 25 Nov 2013 at 11:15 PM
Team Building
Complete all test chambers in the Team Building co-op course
Unlocked 26 Nov 2013 at 2:42 AM
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
Unlocked 26 Nov 2013 at 7:40 AM
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 26 Nov 2013 at 9:04 AM
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
Unlocked 28 Nov 2013 at 7:14 AM
You Saved Science
Complete all test chambers in all courses of co-op
Unlocked 2 Dec 2013 at 10:12 AM
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 4 Dec 2013 at 11:39 PM
Gesticul-8
Perform all 8 gestures of your own volition in co-op
Unlocked 26 Nov 2013 at 9:35 AM
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 26 Nov 2013 at 8:39 AM
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 26 Nov 2013 at 7:44 AM
Party of Three
Find the hidden companion cube in co-op test chamber
Unlocked 4 Dec 2013 at 11:49 PM
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
Unlocked 26 Nov 2013 at 2:42 AM
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 30 Apr 2018 at 9:17 PM
Air Show
Perform 2 aerial gestures before touching the ground in co-op
Unlocked 25 Nov 2013 at 11:34 PM
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 5 Dec 2013 at 12:17 AM
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
Unlocked 5 Dec 2013 at 12:03 AM
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 11 Mar 2017 at 1:57 PM
Still Alive
Complete Course 4 with neither you nor your co-op partner dying
Unlocked 22 Aug 2020 at 9:14 PM
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 5 Dec 2013 at 12:19 AM
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row
Unlocked 26 Nov 2013 at 7:03 AM
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list
Unlocked 11 Mar 2017 at 1:38 PM
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 4 Dec 2013 at 11:57 PM