| Achievement | Unlocked | Visibility | Global Unlocks | |
|---|---|---|---|---|
|
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before |
2021-04-01 15:32:28 | 5.8% | ||
|
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses |
2021-04-01 14:32:46 | 9.1% | ||
|
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course |
2021-04-01 14:13:43 | 2.6% | ||
|
Still Alive
Complete Course 4 with neither you nor your co-op partner dying |
2021-04-01 14:02:50 | 2.4% | ||
|
Party of Three
Find the hidden companion cube in co-op test chamber |
2021-04-01 13:36:13 | 3.6% | ||
|
You Saved Science
Complete all test chambers in all courses of co-op |
2021-04-01 12:36:17 | 21.3% | ||
|
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list |
2021-04-01 11:26:18 | 4.4% | ||
|
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course |
2021-03-30 16:26:03 | 26.5% | ||
|
Gesticul-8
Perform all 8 gestures of your own volition in co-op |
2021-03-30 15:59:06 | 27.3% | ||
|
Four Ring Circus
Enter 4 different portals without touching the ground in co-op |
2021-03-30 15:39:16 | 6.9% | ||
|
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op |
2021-03-30 15:31:27 | 10.0% | ||
|
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements |
2021-03-30 15:28:36 | 2.7% | ||
|
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them |
2021-03-30 15:13:34 | 4.6% | ||
|
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course |
2021-03-30 15:10:54 | 3.6% | ||
|
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each |
2021-03-30 14:54:24 | 3.0% | ||
|
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course |
2021-03-30 14:29:11 | 32.2% | ||
|
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course |
2021-03-30 13:35:36 | 41.1% | ||
|
Narbacular Drop
Place a portal under your co-op partner while they are gesturing |
2021-03-30 13:06:54 | 5.9% | ||
|
Air Show
Perform 2 aerial gestures before touching the ground in co-op |
2021-03-30 13:05:06 | 33.9% | ||
|
Team Building
Complete all test chambers in the Team Building co-op course |
2021-03-30 12:58:48 | 49.6% | ||
|
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row |
2021-03-30 12:51:39 | 9.9% | ||
|
High Five
Celebrate your cooperative calibration success |
2021-03-30 12:38:37 | 58.8% | ||
|
You Made Your Point
Refuse to solve the first test in Chapter 8 |
2021-03-30 05:12:22 | 6.8% | ||
|
Pit Boss
Show that pit who's boss |
2021-03-30 05:08:36 | 8.0% | ||
|
Smash TV
Break 11 test chamber monitors |
2021-03-30 05:04:44 | 3.7% | ||
|
Ship Overboard
Discover the missing experiment |
2021-03-30 04:13:49 | 11.0% | ||
|
Door Prize
Examine all the vitrified test chamber doors |
2021-03-30 03:49:03 | 7.5% | ||
|
Schrodinger's Catch
Catch a blue-painted box before it touches the ground |
2021-03-30 03:44:03 | 7.0% | ||
|
No Hard Feelings
Save a turret from redemption |
2021-03-30 03:29:06 | 31.9% | ||
|
Overclocker
Complete Test Chamber 10 in 70 seconds |
2021-03-30 03:23:47 | 4.0% | ||
|
Preservation of Mass
Break the rules in Test Chamber 07 |
2021-03-30 03:16:36 | 25.1% | ||
|
Final Transmission
Find the hidden signal in one of the Rat Man's dens |
2021-03-30 03:13:07 | 5.7% | ||
|
Pturretdactyl
Use an Aerial Faith Plate to launch a turret |
2021-03-30 03:05:39 | 9.1% | ||
|
Drop Box
Place a cube on a button without touching the cube |
2021-03-29 03:12:42 | 29.7% | ||
|
Lunacy
That just happened |
2021-03-29 02:18:42 | 35.3% | ||
|
The Part Where He Kills You
This is that part |
2021-03-29 01:51:25 | 35.6% | ||
|
Tunnel of Funnel
Master the Excursion Funnel |
2021-03-29 01:42:06 | 36.3% | ||
|
Dual Pit Experiment
Do the same test twice |
2021-03-27 02:35:52 | 38.3% | ||
|
White Out
Complete the first Conversion Gel test |
2021-03-27 02:06:10 | 39.6% | ||
|
Stranger Than Friction
Master the Propulsion Gel |
2021-03-27 01:54:51 | 40.8% | ||
|
Portrait of a Lady
Find a hidden portrait |
2021-03-27 01:48:40 | 12.1% | ||
|
Tater Tote
Carry science forward |
2021-03-27 01:43:07 | 42.4% | ||
|
Vertically Unchallenged
Master the Repulsion Gel |
2021-03-26 10:43:26 | 44.4% | ||
|
Stalemate Associate
Press the button! |
2021-03-26 08:57:26 | 47.1% | ||
|
Scanned Alone
Stand in a defective turret detector |
2021-03-26 08:44:53 | 35.8% | ||
|
Good Listener
Take GLaDOS' escape advice |
2021-03-26 08:32:35 | 29.3% | ||
|
SaBOTour
Make a break for it |
2021-03-26 08:31:58 | 48.1% | ||
|
Bridge Over Troubling Water
Complete the first Hard Light Bridge test |
2021-03-26 04:58:51 | 55.1% | ||
|
Undiscouraged
Complete the first Thermal Discouragement Beam test |
2021-03-26 04:31:43 | 64.6% | ||
|
You Monster
Reunite with GLaDOS |
2021-03-26 04:25:02 | 66.6% | ||
|
Wake Up Call
Survive the manual override |
2021-03-26 04:03:17 | 75.9% |