Portal 2
A Nightmare on Charlie Kirk Way's Progress
Wake Up Call
Survive the manual override
Unlocked 7 Nov 2011 at 1:54 AM
You Monster
Reunite with GLaDOS
Unlocked 19 Mar 2012 at 7:03 PM
Undiscouraged
Complete the first Thermal Discouragement Beam test
Unlocked 19 Mar 2012 at 7:07 PM
Bridge Over Troubling Water
Complete the first Hard Light Bridge test
Unlocked 12 Apr 2012 at 12:34 AM
SaBOTour
Make a break for it
Unlocked 13 Apr 2012 at 12:05 AM
Stalemate Associate
Press the button!
Unlocked 13 Apr 2012 at 12:37 AM
Tater Tote
Carry science forward
Unlocked 26 Apr 2012 at 11:15 PM
Vertically Unchallenged
Master the Repulsion Gel
Unlocked 26 Apr 2012 at 10:55 PM
Stranger Than Friction
Master the Propulsion Gel
Unlocked 9 May 2012 at 6:56 PM
White Out
Complete the first Conversion Gel test
Unlocked 9 May 2012 at 7:03 PM
Tunnel of Funnel
Master the Excursion Funnel
Unlocked 11 May 2012 at 5:52 PM
Dual Pit Experiment
Do the same test twice
Unlocked 9 May 2012 at 7:21 PM
The Part Where He Kills You
This is that part
Unlocked 11 May 2012 at 5:57 PM
Lunacy
That just happened
Unlocked 11 May 2012 at 6:16 PM
Drop Box
Place a cube on a button without touching the cube
Unlocked 19 May 2013 at 6:27 AM
Overclocker
Complete Test Chamber 10 in 70 seconds
Unlocked 26 Jun 2017 at 12:12 AM
Pit Boss
Show that pit who's boss
Unlocked 25 Jun 2017 at 11:57 PM
Preservation of Mass
Break the rules in Test Chamber 07
Unlocked 19 May 2013 at 6:57 AM
Pturretdactyl
Use an Aerial Faith Plate to launch a turret
Final Transmission
Find the hidden signal in one of the Rat Man's dens
Unlocked 19 May 2013 at 6:52 AM
Good Listener
Take GLaDOS' escape advice
Unlocked 26 Jun 2017 at 12:35 AM
Scanned Alone
Stand in a defective turret detector
Unlocked 23 Feb 2024 at 8:03 PM
No Hard Feelings
Save a turret from redemption
Unlocked 13 Apr 2012 at 12:20 AM
Schrodinger's Catch
Catch a blue-painted box before it touches the ground
Unlocked 23 Feb 2024 at 8:43 PM
Ship Overboard
Discover the missing experiment
Unlocked 9 May 2012 at 6:44 PM
Door Prize
Examine all the vitrified test chamber doors
Unlocked 23 Feb 2024 at 8:50 PM
Portrait of a Lady
Find a hidden portrait
Unlocked 9 May 2012 at 6:49 PM
You Made Your Point
Refuse to solve the first test in Chapter 8
Smash TV
Break 11 test chamber monitors
High Five
Celebrate your cooperative calibration success
Unlocked 25 Apr 2015 at 4:49 AM
Team Building
Complete all test chambers in the Team Building co-op course
Unlocked 17 May 2015 at 6:12 AM
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
Unlocked 25 Apr 2015 at 5:32 AM
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 25 Apr 2015 at 6:27 AM
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
Unlocked 31 Dec 2015 at 10:25 AM
You Saved Science
Complete all test chambers in all courses of co-op
Unlocked 31 Dec 2015 at 10:25 AM
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 19 Nov 2016 at 9:02 AM
Gesticul-8
Perform all 8 gestures of your own volition in co-op
Unlocked 24 May 2015 at 12:55 AM
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 23 Feb 2024 at 8:27 AM
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 12 Aug 2022 at 2:33 AM
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
Unlocked 12 Aug 2022 at 2:01 AM
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Air Show
Perform 2 aerial gestures before touching the ground in co-op
Unlocked 26 Nov 2016 at 5:43 AM
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
Unlocked 19 Nov 2016 at 9:29 AM
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list
Unlocked 10 Aug 2015 at 3:30 AM
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course