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38 of 51 (75%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 27 Dec, 2011 @ 5:15am

You Monster

Reunite with GLaDOS
Unlocked 27 Dec, 2011 @ 5:44am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 27 Dec, 2011 @ 5:50am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 28 Dec, 2011 @ 6:26am

SaBOTour

Make a break for it
Unlocked 4 Jan, 2012 @ 6:48am

Stalemate Associate

Press the button!
Unlocked 4 Jan, 2012 @ 7:19am

Tater Tote

Carry science forward
Unlocked 8 Jan, 2012 @ 5:44am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 8 Jan, 2012 @ 5:18am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 8 Jan, 2012 @ 6:08am

White Out

Complete the first Conversion Gel test
Unlocked 11 Jan, 2012 @ 1:58am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 13 Jan, 2012 @ 6:06am

Dual Pit Experiment

Do the same test twice
Unlocked 13 Jan, 2012 @ 4:40am

The Part Where He Kills You

This is that part
Unlocked 13 Jan, 2012 @ 6:17am

Lunacy

That just happened
Unlocked 14 Jan, 2012 @ 4:45am

Drop Box

Place a cube on a button without touching the cube
Unlocked 27 Feb, 2012 @ 4:08am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 27 Feb, 2012 @ 4:11am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 29 May, 2012 @ 1:49am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 27 Feb, 2012 @ 4:07am

Good Listener

Take GLaDOS' escape advice
Unlocked 4 Jan, 2012 @ 6:49am

Scanned Alone

Stand in a defective turret detector
Unlocked 4 Jan, 2012 @ 7:04am

No Hard Feelings

Save a turret from redemption
Unlocked 4 Jan, 2012 @ 7:00am

Portrait of a Lady

Find a hidden portrait
Unlocked 29 Feb, 2012 @ 7:51am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 1 Mar, 2012 @ 2:13am

High Five

Celebrate your cooperative calibration success
Unlocked 29 Dec, 2011 @ 2:23am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 1 Jan, 2012 @ 3:07am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 31 Dec, 2011 @ 7:06am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 31 Dec, 2011 @ 5:32am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 3 Jan, 2012 @ 2:27am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 3 Jan, 2012 @ 3:52am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 23 Mar, 2012 @ 8:30am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 2 Jan, 2012 @ 2:40am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 25 Sep, 2013 @ 1:57am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 30 Sep, 2013 @ 2:00am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 10 Jul, 2017 @ 9:45am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 29 Dec, 2011 @ 4:59am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 17 Nov, 2012 @ 6:17am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 17 Jan, 2012 @ 7:42am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 15 Jan, 2021 @ 9:41am



Overclocker

Complete Test Chamber 10 in 70 seconds

Pit Boss

Show that pit who's boss

Schrodinger's Catch

Catch a blue-painted box before it touches the ground

Ship Overboard

Discover the missing experiment

Door Prize

Examine all the vitrified test chamber doors

Smash TV

Break 11 test chamber monitors

Empty Gesture

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

Narbacular Drop

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

Portal Conservation Society

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

Triple Crown

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

Still Alive

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

Rock Portal Scissors

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

Talent Show

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