Steam Achievements · completionist.me

Achievement	Unlocked	Global Unlocks
Portrait of a Lady Find a hidden portrait	2015-01-18 02:27:23	12.1%
Ship Overboard Discover the missing experiment	2015-01-18 02:03:22	11.0%
Door Prize Examine all the vitrified test chamber doors	2015-01-18 02:02:56	7.5%
Schrodinger's Catch Catch a blue-painted box before it touches the ground	2015-01-18 01:53:12	7.0%
Still Alive Complete Course 4 with neither you nor your co-op partner dying	2015-01-18 01:15:58	2.4%
Final Transmission Find the hidden signal in one of the Rat Man's dens	2015-01-16 05:51:06	5.7%
Pturretdactyl Use an Aerial Faith Plate to launch a turret	2015-01-16 05:31:15	9.1%
Scanned Alone Stand in a defective turret detector	2015-01-16 05:22:45	35.8%
Drop Box Place a cube on a button without touching the cube	2015-01-16 05:10:47	29.7%
Lunacy That just happened	2015-01-15 05:56:17	35.3%
Pit Boss Show that pit who's boss	2015-01-15 05:17:25	8.0%
The Part Where He Kills You This is that part	2015-01-15 05:11:30	35.6%
Smash TV Break 11 test chamber monitors	2015-01-15 05:08:01	3.7%
Tunnel of Funnel Master the Excursion Funnel	2015-01-15 04:56:10	36.3%
Friends List With Benefits While playing co-op, hug 3 different people on your friends list	2015-01-14 06:33:14	4.4%
Dual Pit Experiment Do the same test twice	2015-01-14 06:12:48	38.3%
You Made Your Point Refuse to solve the first test in Chapter 8	2015-01-14 06:10:19	6.8%
Asking for Trouble Taunt GLaDOS in front of a camera in each of the five co-op courses	2015-01-14 05:17:54	9.1%
Triple Crown Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each	2015-01-14 04:55:18	3.0%
White Out Complete the first Conversion Gel test	2014-12-27 08:27:01	39.6%
Stranger Than Friction Master the Propulsion Gel	2014-12-27 08:10:15	40.8%
Tater Tote Carry science forward	2014-12-27 07:34:52	42.4%
Good Listener Take GLaDOS' escape advice	2014-12-27 06:49:35	29.3%
Vertically Unchallenged Master the Repulsion Gel	2014-12-27 06:47:56	44.4%
Stalemate Associate Press the button!	2014-12-27 06:08:00	47.1%
No Hard Feelings Save a turret from redemption	2014-12-27 05:46:30	31.9%
SaBOTour Make a break for it	2014-12-27 05:33:46	48.1%
Bridge Over Troubling Water Complete the first Hard Light Bridge test	2014-12-27 04:24:35	55.1%
Overclocker Complete Test Chamber 10 in 70 seconds	2014-12-27 04:19:54	4.0%
Preservation of Mass Break the rules in Test Chamber 07	2014-12-27 03:53:36	25.1%
Undiscouraged Complete the first Thermal Discouragement Beam test	2014-12-27 03:30:46	64.6%
You Monster Reunite with GLaDOS	2014-12-27 02:18:45	66.6%
Wake Up Call Survive the manual override	2014-12-27 01:54:43	75.9%
Professor Portal After completing co-op, complete Calibration Course online with a friend who hasn’t played before	2014-12-21 22:27:38	5.8%
Portal Conservation Society Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements	2013-12-31 06:38:43	2.7%
Empty Gesture Drop your co-op partner in goo while they are gesturing by removing the bridge under them	2013-12-31 06:12:54	4.6%
Iron Grip Never lose a cube in Chamber 6 of the Mass and Velocity co-op course	2013-12-31 06:02:20	3.6%
Four Ring Circus Enter 4 different portals without touching the ground in co-op	2013-12-31 05:48:41	6.9%
Talent Show Never lose a cube in Chamber 6 of the Mobility Gels co-op course	2013-12-31 05:41:43	2.6%
Party of Three Find the hidden companion cube in co-op test chamber	2013-12-31 05:36:05	3.6%
Air Show Perform 2 aerial gestures before touching the ground in co-op	2013-12-31 05:21:05	33.9%
Can't Touch This Dance in front of a turret blocked by a hard light bridge in co-op	2013-12-31 05:18:06	10.0%
You Saved Science Complete all test chambers in all courses of co-op	2013-12-31 05:05:47	21.3%
Narbacular Drop Place a portal under your co-op partner while they are gesturing	2013-12-21 07:47:05	5.9%
Obstacle Building Complete all test chambers in the Excursion Funnels co-op course	2013-12-21 07:44:55	26.4%
Gesticul-8 Perform all 8 gestures of your own volition in co-op	2013-12-21 06:56:25	27.3%
Rock Portal Scissors Win 3 co-op games of rock-paper-scissors in a row	2013-12-21 06:40:58	9.9%
Bridge Building Complete all test chambers in the Hard-Light Surfaces co-op course	2013-12-16 05:00:13	32.2%
Confidence Building Complete all test chambers in the Mass and Velocity co-op course	2013-12-16 03:25:38	41.1%
Team Building Complete all test chambers in the Team Building co-op course	2013-12-16 02:28:17	49.6%
High Five Celebrate your cooperative calibration success	2013-12-16 02:03:57	58.8%

Portrait of a Lady
Find a hidden portrait

2015-01-18 02:27:23

12.1%

Ship Overboard
Discover the missing experiment

2015-01-18 02:03:22

11.0%

Door Prize
Examine all the vitrified test chamber doors

2015-01-18 02:02:56

7.5%

Schrodinger's Catch
Catch a blue-painted box before it touches the ground

2015-01-18 01:53:12

7.0%

Still Alive
Complete Course 4 with neither you nor your co-op partner dying

2015-01-18 01:15:58

2.4%

Final Transmission
Find the hidden signal in one of the Rat Man's dens

2015-01-16 05:51:06

5.7%

Pturretdactyl
Use an Aerial Faith Plate to launch a turret

2015-01-16 05:31:15

9.1%

Scanned Alone
Stand in a defective turret detector

2015-01-16 05:22:45

35.8%

Drop Box
Place a cube on a button without touching the cube

2015-01-16 05:10:47

29.7%

Lunacy
That just happened

2015-01-15 05:56:17

35.3%

Pit Boss
Show that pit who's boss

2015-01-15 05:17:25

8.0%

The Part Where He Kills You
This is that part

2015-01-15 05:11:30

35.6%

Smash TV
Break 11 test chamber monitors

2015-01-15 05:08:01

3.7%

Tunnel of Funnel
Master the Excursion Funnel

2015-01-15 04:56:10

36.3%

Friends List With Benefits
While playing co-op, hug 3 different people on your friends list

2015-01-14 06:33:14

4.4%

Dual Pit Experiment
Do the same test twice

2015-01-14 06:12:48

38.3%

You Made Your Point
Refuse to solve the first test in Chapter 8

2015-01-14 06:10:19

6.8%

Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses

2015-01-14 05:17:54

9.1%

Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each

2015-01-14 04:55:18

3.0%

White Out
Complete the first Conversion Gel test

2014-12-27 08:27:01

39.6%

Stranger Than Friction
Master the Propulsion Gel

2014-12-27 08:10:15

40.8%

Tater Tote
Carry science forward

2014-12-27 07:34:52

42.4%

Good Listener
Take GLaDOS' escape advice

2014-12-27 06:49:35

29.3%

Vertically Unchallenged
Master the Repulsion Gel

2014-12-27 06:47:56

44.4%

Stalemate Associate
Press the button!

2014-12-27 06:08:00

47.1%

No Hard Feelings
Save a turret from redemption

2014-12-27 05:46:30

31.9%

SaBOTour
Make a break for it

2014-12-27 05:33:46

48.1%

Bridge Over Troubling Water
Complete the first Hard Light Bridge test

2014-12-27 04:24:35

55.1%

Overclocker
Complete Test Chamber 10 in 70 seconds

2014-12-27 04:19:54

4.0%

Preservation of Mass
Break the rules in Test Chamber 07

2014-12-27 03:53:36

25.1%

Undiscouraged
Complete the first Thermal Discouragement Beam test

2014-12-27 03:30:46

64.6%

You Monster
Reunite with GLaDOS

2014-12-27 02:18:45

66.6%

Wake Up Call
Survive the manual override

2014-12-27 01:54:43

75.9%

Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before

2014-12-21 22:27:38

5.8%

Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

2013-12-31 06:38:43

2.7%

Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them

2013-12-31 06:12:54

4.6%

Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

2013-12-31 06:02:20

3.6%

Four Ring Circus
Enter 4 different portals without touching the ground in co-op

2013-12-31 05:48:41

6.9%

Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course

2013-12-31 05:41:43

2.6%

Party of Three
Find the hidden companion cube in co-op test chamber

2013-12-31 05:36:05

3.6%

Air Show
Perform 2 aerial gestures before touching the ground in co-op

2013-12-31 05:21:05

33.9%

Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op

2013-12-31 05:18:06

10.0%

You Saved Science
Complete all test chambers in all courses of co-op

2013-12-31 05:05:47

21.3%

Narbacular Drop
Place a portal under your co-op partner while they are gesturing

2013-12-21 07:47:05

5.9%

Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course

2013-12-21 07:44:55

26.4%

Gesticul-8
Perform all 8 gestures of your own volition in co-op

2013-12-21 06:56:25

27.3%

Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row

2013-12-21 06:40:58

9.9%

Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course

2013-12-16 05:00:13

32.2%

Confidence Building
Complete all test chambers in the Mass and Velocity co-op course

2013-12-16 03:25:38

41.1%

Team Building
Complete all test chambers in the Team Building co-op course

2013-12-16 02:28:17

49.6%

High Five
Celebrate your cooperative calibration success

2013-12-16 02:03:57

58.8%