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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 15 Jul, 2013 @ 1:10am

You Monster

Reunite with GLaDOS
Unlocked 15 Jul, 2013 @ 1:35am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 15 Jul, 2013 @ 1:42am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 15 Jul, 2013 @ 2:22am

SaBOTour

Make a break for it
Unlocked 16 Jul, 2013 @ 2:23pm

Stalemate Associate

Press the button!
Unlocked 16 Jul, 2013 @ 2:51pm

Tater Tote

Carry science forward
Unlocked 17 Jul, 2013 @ 1:11pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 17 Jul, 2013 @ 12:03pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 17 Jul, 2013 @ 1:32pm

White Out

Complete the first Conversion Gel test
Unlocked 17 Jul, 2013 @ 1:51pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 18 Jul, 2013 @ 11:38am

Dual Pit Experiment

Do the same test twice
Unlocked 17 Jul, 2013 @ 2:27pm

The Part Where He Kills You

This is that part
Unlocked 18 Jul, 2013 @ 11:53am

Lunacy

That just happened
Unlocked 18 Jul, 2013 @ 12:18pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 12 Jul, 2014 @ 9:35am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 12 Jul, 2014 @ 10:32am

Pit Boss

Show that pit who's boss
Unlocked 12 Jul, 2014 @ 3:23pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 15 Jul, 2013 @ 2:03am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 12 Jul, 2014 @ 10:42am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 12 Jul, 2014 @ 9:34am

Good Listener

Take GLaDOS' escape advice
Unlocked 12 Jul, 2014 @ 1:40pm

Scanned Alone

Stand in a defective turret detector
Unlocked 12 Jul, 2014 @ 1:54pm

No Hard Feelings

Save a turret from redemption
Unlocked 12 Jul, 2014 @ 1:50pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 12 Jul, 2014 @ 8:52am

Ship Overboard

Discover the missing experiment
Unlocked 12 Jul, 2014 @ 9:03am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 12 Jul, 2014 @ 9:03am

Portrait of a Lady

Find a hidden portrait
Unlocked 12 Jul, 2014 @ 9:13am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 12 Jul, 2014 @ 2:08pm

Smash TV

Break 11 test chamber monitors
Unlocked 12 Jul, 2014 @ 3:14pm

High Five

Celebrate your cooperative calibration success
Unlocked 15 Jul, 2013 @ 2:50am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 15 Jul, 2013 @ 3:18am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 15 Jul, 2013 @ 4:59am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 17 Jul, 2013 @ 3:15am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 17 Jul, 2013 @ 5:23am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 17 Jul, 2013 @ 8:05am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 10 Jul, 2014 @ 5:32am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 17 Jul, 2013 @ 4:44am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 17 Jul, 2013 @ 5:18am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 10 Jul, 2014 @ 5:37am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 11 Jul, 2014 @ 4:42am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 10 Jul, 2014 @ 5:57am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 18 Aug, 2013 @ 1:04pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 17 Jul, 2013 @ 4:55am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 11 Jul, 2014 @ 11:37am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 30 Jun, 2014 @ 5:14am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 10 Jul, 2014 @ 6:23am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 13 Jul, 2014 @ 1:47pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 17 Jul, 2013 @ 6:31am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 15 Jul, 2013 @ 3:39am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 1 Jul, 2014 @ 3:51am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 13 Jul, 2014 @ 2:06pm