| Achievement | Unlocked | Visibility | Global Unlocks | |
|---|---|---|---|---|
|
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before |
2015-10-10 20:51:31 | 5.8% | ||
|
Pit Boss
Show that pit who's boss |
2015-10-10 20:50:56 | 8.0% | ||
|
Portrait of a Lady
Find a hidden portrait |
2015-09-30 15:28:17 | 12.1% | ||
|
Schrodinger's Catch
Catch a blue-painted box before it touches the ground |
2015-09-24 19:36:35 | 7.0% | ||
|
Door Prize
Examine all the vitrified test chamber doors |
2015-09-24 18:35:39 | 7.5% | ||
|
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row |
2015-09-23 18:51:22 | 9.9% | ||
|
Four Ring Circus
Enter 4 different portals without touching the ground in co-op |
2015-09-23 18:41:50 | 6.9% | ||
|
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each |
2015-09-23 18:19:10 | 3.0% | ||
|
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course |
2015-09-23 17:43:26 | 3.6% | ||
|
Air Show
Perform 2 aerial gestures before touching the ground in co-op |
2015-09-23 17:25:54 | 33.9% | ||
|
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course |
2015-09-23 17:20:11 | 2.6% | ||
|
Narbacular Drop
Place a portal under your co-op partner while they are gesturing |
2015-09-23 15:47:45 | 5.9% | ||
|
Gesticul-8
Perform all 8 gestures of your own volition in co-op |
2015-09-23 15:37:16 | 27.3% | ||
|
Overclocker
Complete Test Chamber 10 in 70 seconds |
2015-09-16 19:00:53 | 4.0% | ||
|
Drop Box
Place a cube on a button without touching the cube |
2015-09-16 18:38:58 | 29.7% | ||
|
Final Transmission
Find the hidden signal in one of the Rat Man's dens |
2015-09-16 17:31:25 | 5.7% | ||
|
You Saved Science
Complete all test chambers in all courses of co-op |
2015-06-20 16:03:10 | 21.3% | ||
|
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course |
2015-06-17 18:12:00 | 26.5% | ||
|
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course |
2015-06-17 16:45:36 | 32.2% | ||
|
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course |
2015-06-16 18:29:42 | 41.1% | ||
|
Team Building
Complete all test chambers in the Team Building co-op course |
2015-06-16 17:13:40 | 49.6% | ||
|
High Five
Celebrate your cooperative calibration success |
2015-06-13 20:17:23 | 58.8% | ||
|
Lunacy
That just happened |
2015-01-07 15:11:05 | 35.3% | ||
|
The Part Where He Kills You
This is that part |
2015-01-07 14:16:12 | 35.6% | ||
|
Tunnel of Funnel
Master the Excursion Funnel |
2015-01-07 13:23:36 | 36.3% | ||
|
Dual Pit Experiment
Do the same test twice |
2015-01-07 11:46:56 | 38.3% | ||
|
White Out
Complete the first Conversion Gel test |
2015-01-07 11:05:33 | 39.6% | ||
|
Stranger Than Friction
Master the Propulsion Gel |
2015-01-07 10:41:26 | 40.8% | ||
|
Tater Tote
Carry science forward |
2015-01-04 17:24:07 | 42.4% | ||
|
Ship Overboard
Discover the missing experiment |
2015-01-04 17:17:25 | 11.0% | ||
|
Vertically Unchallenged
Master the Repulsion Gel |
2015-01-04 16:41:58 | 44.4% | ||
|
Stalemate Associate
Press the button! |
2015-01-04 15:41:16 | 47.1% | ||
|
Scanned Alone
Stand in a defective turret detector |
2015-01-04 15:25:33 | 35.8% | ||
|
No Hard Feelings
Save a turret from redemption |
2015-01-04 14:51:05 | 31.9% | ||
|
SaBOTour
Make a break for it |
2015-01-04 14:38:35 | 48.1% | ||
|
Bridge Over Troubling Water
Complete the first Hard Light Bridge test |
2014-12-31 19:33:48 | 55.1% | ||
|
Preservation of Mass
Break the rules in Test Chamber 07 |
2014-12-31 18:23:51 | 25.1% | ||
|
Undiscouraged
Complete the first Thermal Discouragement Beam test |
2014-12-31 17:51:36 | 64.6% | ||
|
You Monster
Reunite with GLaDOS |
2014-12-31 16:24:30 | 66.6% | ||
|
Wake Up Call
Survive the manual override |
2014-12-29 18:16:13 | 75.9% | ||
|
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op |
10.0% | |||
|
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them |
4.6% | |||
|
Good Listener
Take GLaDOS' escape advice |
29.3% | |||
|
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements |
2.7% | |||
|
Pturretdactyl
Use an Aerial Faith Plate to launch a turret |
9.1% | |||
|
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list |
4.4% | |||
|
Still Alive
Complete Course 4 with neither you nor your co-op partner dying |
2.4% | |||
|
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses |
9.1% | |||
|
You Made Your Point
Refuse to solve the first test in Chapter 8 |
6.8% | |||
|
Smash TV
Break 11 test chamber monitors |
3.7% | |||
|
Party of Three
Find the hidden companion cube in co-op test chamber |
3.6% |