| Achievement | Unlocked | Visibility | Global Unlocks | |
|---|---|---|---|---|
|
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them |
2021-07-28 20:30:43 | 4.6% | ||
|
Narbacular Drop
Place a portal under your co-op partner while they are gesturing |
2021-07-24 20:50:29 | 5.9% | ||
|
Party of Three
Find the hidden companion cube in co-op test chamber |
2021-07-24 20:48:29 | 3.6% | ||
|
Smash TV
Break 11 test chamber monitors |
2021-07-18 16:53:27 | 3.7% | ||
|
Final Transmission
Find the hidden signal in one of the Rat Man's dens |
2021-07-17 15:43:41 | 5.7% | ||
|
Pturretdactyl
Use an Aerial Faith Plate to launch a turret |
2021-07-17 15:27:50 | 9.1% | ||
|
Overclocker
Complete Test Chamber 10 in 70 seconds |
2021-07-17 15:20:53 | 4.0% | ||
|
Ship Overboard
Discover the missing experiment |
2021-07-16 18:22:52 | 11.0% | ||
|
Door Prize
Examine all the vitrified test chamber doors |
2021-07-16 18:22:36 | 7.5% | ||
|
Portrait of a Lady
Find a hidden portrait |
2021-07-16 17:44:27 | 12.1% | ||
|
You Made Your Point
Refuse to solve the first test in Chapter 8 |
2021-07-16 17:34:24 | 6.8% | ||
|
Pit Boss
Show that pit who's boss |
2021-07-16 17:28:44 | 8.0% | ||
|
Scanned Alone
Stand in a defective turret detector |
2021-07-16 17:13:36 | 35.9% | ||
|
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op |
2021-07-04 21:10:53 | 10.0% | ||
|
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row |
2021-07-04 20:33:52 | 9.9% | ||
|
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before |
2011-10-13 16:57:34 | 5.8% | ||
|
You Saved Science
Complete all test chambers in all courses of co-op |
2011-04-30 18:13:55 | 21.3% | ||
|
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course |
2011-04-30 17:06:02 | 26.4% | ||
|
Gesticul-8
Perform all 8 gestures of your own volition in co-op |
2011-04-30 16:26:01 | 27.3% | ||
|
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course |
2011-04-27 16:59:46 | 32.2% | ||
|
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course |
2011-04-27 16:08:14 | 41.1% | ||
|
Lunacy
That just happened |
2011-04-27 11:04:12 | 35.3% | ||
|
The Part Where He Kills You
This is that part |
2011-04-27 10:48:54 | 35.6% | ||
|
Tunnel of Funnel
Master the Excursion Funnel |
2011-04-27 10:42:20 | 36.4% | ||
|
Dual Pit Experiment
Do the same test twice |
2011-04-27 10:19:01 | 38.3% | ||
|
White Out
Complete the first Conversion Gel test |
2011-04-27 10:03:43 | 39.7% | ||
|
Stranger Than Friction
Master the Propulsion Gel |
2011-04-27 09:54:29 | 40.9% | ||
|
Air Show
Perform 2 aerial gestures before touching the ground in co-op |
2011-04-26 18:42:13 | 33.9% | ||
|
Team Building
Complete all test chambers in the Team Building co-op course |
2011-04-26 18:33:37 | 49.6% | ||
|
High Five
Celebrate your cooperative calibration success |
2011-04-26 18:10:33 | 58.8% | ||
|
Tater Tote
Carry science forward |
2011-04-26 15:47:28 | 42.5% | ||
|
Schrodinger's Catch
Catch a blue-painted box before it touches the ground |
2011-04-26 15:42:39 | 7.0% | ||
|
Vertically Unchallenged
Master the Repulsion Gel |
2011-04-26 15:40:20 | 44.5% | ||
|
Stalemate Associate
Press the button! |
2011-04-26 15:21:10 | 47.2% | ||
|
No Hard Feelings
Save a turret from redemption |
2011-04-26 15:08:00 | 31.9% | ||
|
Good Listener
Take GLaDOS' escape advice |
2011-04-26 15:00:34 | 29.4% | ||
|
SaBOTour
Make a break for it |
2011-04-26 15:00:02 | 48.2% | ||
|
Bridge Over Troubling Water
Complete the first Hard Light Bridge test |
2011-04-26 14:34:53 | 55.2% | ||
|
Preservation of Mass
Break the rules in Test Chamber 07 |
2011-04-26 14:24:44 | 25.2% | ||
|
Undiscouraged
Complete the first Thermal Discouragement Beam test |
2011-04-26 14:14:33 | 64.7% | ||
|
You Monster
Reunite with GLaDOS |
2011-04-26 14:11:02 | 66.7% | ||
|
Drop Box
Place a cube on a button without touching the cube |
2011-04-26 13:59:38 | 29.7% | ||
|
Wake Up Call
Survive the manual override |
2011-04-26 13:54:39 | 76.0% | ||
|
Four Ring Circus
Enter 4 different portals without touching the ground in co-op |
6.9% | |||
|
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements |
2.7% | |||
|
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course |
2.6% | |||
|
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course |
3.6% | |||
|
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses |
9.1% | |||
|
Still Alive
Complete Course 4 with neither you nor your co-op partner dying |
2.3% | |||
|
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list |
4.4% | |||
|
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each |
3.0% |