Portal 2
Andrew's Progress
Wake Up Call
Survive the manual override
Unlocked 24 Dec 2022 at 2:22 PM
You Monster
Reunite with GLaDOS
Unlocked 24 Dec 2022 at 2:44 PM
Undiscouraged
Complete the first Thermal Discouragement Beam test
Unlocked 24 Dec 2022 at 5:47 PM
Bridge Over Troubling Water
Complete the first Hard Light Bridge test
Unlocked 24 Dec 2022 at 6:17 PM
SaBOTour
Make a break for it
Unlocked 25 Dec 2022 at 11:16 AM
Stalemate Associate
Press the button!
Unlocked 25 Dec 2022 at 11:50 AM
Tater Tote
Carry science forward
Unlocked 27 Dec 2022 at 9:14 AM
Vertically Unchallenged
Master the Repulsion Gel
Unlocked 26 Dec 2022 at 12:30 PM
Stranger Than Friction
Master the Propulsion Gel
Unlocked 27 Dec 2022 at 10:52 AM
White Out
Complete the first Conversion Gel test
Unlocked 27 Dec 2022 at 11:08 AM
Tunnel of Funnel
Master the Excursion Funnel
Unlocked 28 Dec 2022 at 7:27 PM
Dual Pit Experiment
Do the same test twice
Unlocked 28 Dec 2022 at 10:38 AM
The Part Where He Kills You
This is that part
Unlocked 28 Dec 2022 at 7:42 PM
Lunacy
That just happened
Unlocked 28 Dec 2022 at 8:51 PM
Drop Box
Place a cube on a button without touching the cube
Unlocked 24 Dec 2022 at 5:58 PM
Overclocker
Complete Test Chamber 10 in 70 seconds
Unlocked 29 Dec 2022 at 12:34 PM
Pit Boss
Show that pit who's boss
Unlocked 30 Dec 2022 at 7:41 PM
Preservation of Mass
Break the rules in Test Chamber 07
Unlocked 29 Dec 2022 at 12:17 PM
Pturretdactyl
Use an Aerial Faith Plate to launch a turret
Unlocked 29 Dec 2022 at 12:10 PM
Final Transmission
Find the hidden signal in one of the Rat Man's dens
Unlocked 29 Dec 2022 at 12:14 PM
Good Listener
Take GLaDOS' escape advice
Unlocked 31 Dec 2022 at 11:38 AM
Scanned Alone
Stand in a defective turret detector
Unlocked 31 Dec 2022 at 2:37 PM
No Hard Feelings
Save a turret from redemption
Unlocked 31 Dec 2022 at 2:34 PM
Schrodinger's Catch
Catch a blue-painted box before it touches the ground
Unlocked 1 Jan 2023 at 9:15 AM
Ship Overboard
Discover the missing experiment
Unlocked 1 Jan 2023 at 9:19 AM
Door Prize
Examine all the vitrified test chamber doors
Unlocked 1 Jan 2023 at 9:18 AM
Portrait of a Lady
Find a hidden portrait
Unlocked 27 Dec 2022 at 10:21 AM
You Made Your Point
Refuse to solve the first test in Chapter 8
Unlocked 1 Jan 2023 at 9:55 AM
Smash TV
Break 11 test chamber monitors
Unlocked 1 Jan 2023 at 11:15 AM
High Five
Celebrate your cooperative calibration success
Unlocked 4 Jan 2023 at 4:16 PM
Team Building
Complete all test chambers in the Team Building co-op course
Unlocked 4 Jan 2023 at 4:41 PM
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
Unlocked 7 Jan 2023 at 8:52 PM
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 13 Jan 2023 at 8:37 PM
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
Unlocked 2 Mar 2023 at 7:39 PM
You Saved Science
Complete all test chambers in all courses of co-op
Unlocked 2 Mar 2023 at 9:51 PM
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 5 Mar 2023 at 10:15 AM
Gesticul-8
Perform all 8 gestures of your own volition in co-op
Unlocked 15 Jan 2023 at 7:10 PM
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 11 Jan 2023 at 7:51 PM
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 5 Mar 2023 at 10:49 AM
Party of Three
Find the hidden companion cube in co-op test chamber
Unlocked 5 Mar 2023 at 10:46 AM
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
Unlocked 4 Jan 2023 at 4:48 PM
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 8 Aug 2023 at 6:48 PM
Air Show
Perform 2 aerial gestures before touching the ground in co-op
Unlocked 7 Jan 2023 at 7:21 PM
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 5 Mar 2023 at 11:01 AM
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
Unlocked 4 Mar 2023 at 9:20 PM
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 4 Mar 2023 at 9:17 PM
Still Alive
Complete Course 4 with neither you nor your co-op partner dying
Unlocked 11 Mar 2023 at 10:52 AM
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 2 Mar 2023 at 7:55 PM
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row
Unlocked 4 Jan 2023 at 4:27 PM
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list
Unlocked 2 Mar 2023 at 9:36 PM
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 11 Mar 2023 at 10:57 AM