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33 of 51 (65%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 25 Dec, 2011 @ 4:51am

You Monster

Reunite with GLaDOS
Unlocked 25 Dec, 2011 @ 5:13am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 25 Dec, 2011 @ 5:18am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 25 Dec, 2011 @ 5:50am

SaBOTour

Make a break for it
Unlocked 14 Jul, 2013 @ 5:51am

Stalemate Associate

Press the button!
Unlocked 14 Jul, 2013 @ 6:23am

Tater Tote

Carry science forward
Unlocked 14 Jul, 2013 @ 7:25am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 14 Jul, 2013 @ 6:51am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 14 Jul, 2013 @ 7:37am

White Out

Complete the first Conversion Gel test
Unlocked 14 Jul, 2013 @ 7:58am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 14 Jul, 2013 @ 9:07am

Dual Pit Experiment

Do the same test twice
Unlocked 14 Jul, 2013 @ 8:21am

The Part Where He Kills You

This is that part
Unlocked 14 Jul, 2013 @ 9:26am

Lunacy

That just happened
Unlocked 14 Jul, 2013 @ 9:49am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 25 Dec, 2011 @ 5:32am

Good Listener

Take GLaDOS' escape advice
Unlocked 14 Jul, 2013 @ 5:52am

Scanned Alone

Stand in a defective turret detector
Unlocked 14 Jul, 2013 @ 6:07am

No Hard Feelings

Save a turret from redemption
Unlocked 14 Jul, 2013 @ 6:03am

Ship Overboard

Discover the missing experiment
Unlocked 14 Jul, 2013 @ 7:22am

High Five

Celebrate your cooperative calibration success
Unlocked 26 Dec, 2011 @ 6:15am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 26 Dec, 2011 @ 3:19pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 26 Dec, 2011 @ 4:27pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 27 Dec, 2011 @ 3:27pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 16 Jul, 2013 @ 7:20am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 17 Jul, 2013 @ 10:23am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 31 Jul, 2012 @ 3:03pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 17 Jul, 2013 @ 10:26am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 5 Apr, 2015 @ 9:54am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 27 Dec, 2011 @ 3:28pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 31 Jul, 2012 @ 3:34pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 31 Jul, 2012 @ 5:58pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 17 Jul, 2013 @ 12:11pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 20 Oct, 2013 @ 9:17am



Drop Box

Place a cube on a button without touching the cube

Overclocker

Complete Test Chamber 10 in 70 seconds

Pit Boss

Show that pit who's boss

Pturretdactyl

Use an Aerial Faith Plate to launch a turret

Final Transmission

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

Schrodinger's Catch

Catch a blue-painted box before it touches the ground

Door Prize

Examine all the vitrified test chamber doors

Portrait of a Lady

Find a hidden portrait

You Made Your Point

Refuse to solve the first test in Chapter 8

Smash TV

Break 11 test chamber monitors

Iron Grip

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

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op

Empty Gesture

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

Party of Three

Find the hidden companion cube in co-op test chamber

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

Talent Show

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