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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Apr 21, 2011 @ 3:57am

You Monster

Reunite with GLaDOS
Unlocked Apr 21, 2011 @ 4:33am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Apr 21, 2011 @ 4:43am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Apr 22, 2011 @ 3:41am

SaBOTour

Make a break for it
Unlocked Jun 3, 2011 @ 10:37am

Stalemate Associate

Press the button!
Unlocked Jun 3, 2011 @ 11:01am

Tater Tote

Carry science forward
Unlocked Jun 4, 2011 @ 7:06am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Jun 3, 2011 @ 11:32am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Jun 4, 2011 @ 11:35am

White Out

Complete the first Conversion Gel test
Unlocked Jun 4, 2011 @ 12:28pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Jun 6, 2011 @ 1:30pm

Dual Pit Experiment

Do the same test twice
Unlocked Jun 6, 2011 @ 10:52am

The Part Where He Kills You

This is that part
Unlocked Jun 6, 2011 @ 1:49pm

Lunacy

That just happened
Unlocked Jun 7, 2011 @ 9:57am

Drop Box

Place a cube on a button without touching the cube
Unlocked Oct 28, 2011 @ 11:56am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Mar 6, 2016 @ 12:43am

Pit Boss

Show that pit who's boss
Unlocked Jun 7, 2011 @ 10:10am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Mar 6, 2016 @ 12:43am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Apr 25, 2011 @ 2:21am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Mar 6, 2016 @ 12:43am

Good Listener

Take GLaDOS' escape advice
Unlocked Aug 19, 2011 @ 9:18am

Scanned Alone

Stand in a defective turret detector
Unlocked Mar 6, 2016 @ 12:43am

No Hard Feelings

Save a turret from redemption
Unlocked Jun 18, 2011 @ 2:24am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Mar 6, 2016 @ 12:43am

Ship Overboard

Discover the missing experiment
Unlocked Mar 6, 2016 @ 12:43am

Door Prize

Examine all the vitrified test chamber doors
Unlocked Mar 6, 2016 @ 12:43am

Portrait of a Lady

Find a hidden portrait
Unlocked Mar 6, 2016 @ 12:43am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Mar 6, 2016 @ 12:43am

Smash TV

Break 11 test chamber monitors
Unlocked Mar 6, 2016 @ 12:43am

High Five

Celebrate your cooperative calibration success
Unlocked Apr 21, 2011 @ 7:31am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Apr 22, 2011 @ 1:51am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Apr 24, 2011 @ 8:47am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Apr 22, 2011 @ 4:44am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Apr 30, 2011 @ 7:17am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Apr 30, 2011 @ 7:17am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Mar 6, 2016 @ 12:43am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Apr 22, 2011 @ 2:32am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Mar 6, 2016 @ 12:43am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Mar 6, 2016 @ 12:43am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Mar 6, 2016 @ 12:43am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Apr 28, 2011 @ 10:30am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Nov 26, 2011 @ 10:17am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Apr 21, 2011 @ 2:14pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Mar 6, 2016 @ 12:43am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked May 14, 2011 @ 8:33am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Mar 6, 2016 @ 12:43am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Mar 6, 2016 @ 12:43am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Apr 23, 2011 @ 5:30am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Mar 6, 2016 @ 12:43am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Apr 30, 2011 @ 7:21am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Mar 6, 2016 @ 12:43am