| Achievement | Unlocked | Visibility | Global Unlocks | |
|---|---|---|---|---|
|
Overclocker
Complete Test Chamber 10 in 70 seconds |
2022-12-25 18:14:58 | 4.0% | ||
|
Party of Three
Find the hidden companion cube in co-op test chamber |
2020-12-19 15:24:39 | 3.6% | ||
|
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements |
2020-12-19 15:06:07 | 2.7% | ||
|
Four Ring Circus
Enter 4 different portals without touching the ground in co-op |
2016-01-08 21:56:55 | 6.9% | ||
|
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them |
2016-01-07 17:34:05 | 4.6% | ||
|
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses |
2016-01-07 16:44:56 | 9.1% | ||
|
Door Prize
Examine all the vitrified test chamber doors |
2015-08-20 21:19:31 | 7.5% | ||
|
Pit Boss
Show that pit who's boss |
2015-08-20 21:08:42 | 8.0% | ||
|
Final Transmission
Find the hidden signal in one of the Rat Man's dens |
2015-08-20 21:00:27 | 5.7% | ||
|
Pturretdactyl
Use an Aerial Faith Plate to launch a turret |
2015-08-20 20:57:14 | 9.1% | ||
|
You Made Your Point
Refuse to solve the first test in Chapter 8 |
2015-08-20 20:41:16 | 6.8% | ||
|
Ship Overboard
Discover the missing experiment |
2015-08-20 20:34:01 | 11.0% | ||
|
Schrodinger's Catch
Catch a blue-painted box before it touches the ground |
2015-08-20 20:27:07 | 7.0% | ||
|
Portrait of a Lady
Find a hidden portrait |
2015-08-20 19:42:39 | 12.1% | ||
|
Drop Box
Place a cube on a button without touching the cube |
2015-08-20 19:37:12 | 29.7% | ||
|
Preservation of Mass
Break the rules in Test Chamber 07 |
2015-08-20 19:33:56 | 25.1% | ||
|
No Hard Feelings
Save a turret from redemption |
2015-08-20 19:18:31 | 31.9% | ||
|
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list |
2014-12-12 13:20:55 | 4.4% | ||
|
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before |
2014-12-12 13:19:13 | 5.8% | ||
|
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op |
2013-09-19 20:58:06 | 10.0% | ||
|
Narbacular Drop
Place a portal under your co-op partner while they are gesturing |
2011-04-21 23:30:28 | 5.9% | ||
|
You Saved Science
Complete all test chambers in all courses of co-op |
2011-04-21 23:27:11 | 21.3% | ||
|
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course |
2011-04-21 22:16:26 | 26.5% | ||
|
Gesticul-8
Perform all 8 gestures of your own volition in co-op |
2011-04-21 21:50:43 | 27.3% | ||
|
Air Show
Perform 2 aerial gestures before touching the ground in co-op |
2011-04-21 21:34:09 | 33.9% | ||
|
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course |
2011-04-21 20:50:55 | 32.2% | ||
|
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course |
2011-04-21 20:09:16 | 41.1% | ||
|
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row |
2011-04-21 19:46:51 | 9.9% | ||
|
Team Building
Complete all test chambers in the Team Building co-op course |
2011-04-21 19:30:53 | 49.6% | ||
|
High Five
Celebrate your cooperative calibration success |
2011-04-21 19:13:58 | 58.8% | ||
|
Lunacy
That just happened |
2011-04-21 14:44:31 | 35.3% | ||
|
The Part Where He Kills You
This is that part |
2011-04-21 14:19:57 | 35.6% | ||
|
Tunnel of Funnel
Master the Excursion Funnel |
2011-04-21 14:05:54 | 36.3% | ||
|
Dual Pit Experiment
Do the same test twice |
2011-04-20 12:51:40 | 38.3% | ||
|
White Out
Complete the first Conversion Gel test |
2011-04-20 12:18:53 | 39.6% | ||
|
Stranger Than Friction
Master the Propulsion Gel |
2011-04-19 22:28:02 | 40.8% | ||
|
Tater Tote
Carry science forward |
2011-04-19 22:13:07 | 42.4% | ||
|
Vertically Unchallenged
Master the Repulsion Gel |
2011-04-19 18:22:34 | 44.4% | ||
|
Stalemate Associate
Press the button! |
2011-04-19 17:40:56 | 47.1% | ||
|
Scanned Alone
Stand in a defective turret detector |
2011-04-19 17:15:00 | 35.8% | ||
|
Good Listener
Take GLaDOS' escape advice |
2011-04-19 16:32:34 | 29.3% | ||
|
SaBOTour
Make a break for it |
2011-04-19 16:31:59 | 48.1% | ||
|
Bridge Over Troubling Water
Complete the first Hard Light Bridge test |
2011-04-19 15:48:56 | 55.1% | ||
|
Undiscouraged
Complete the first Thermal Discouragement Beam test |
2011-04-19 15:16:29 | 64.6% | ||
|
You Monster
Reunite with GLaDOS |
2011-04-19 15:12:41 | 66.6% | ||
|
Wake Up Call
Survive the manual override |
2011-04-19 14:52:02 | 75.9% | ||
|
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course |
3.6% | |||
|
Still Alive
Complete Course 4 with neither you nor your co-op partner dying |
2.4% | |||
|
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each |
3.0% | |||
|
Smash TV
Break 11 test chamber monitors |
3.7% | |||
|
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course |
2.6% |