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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Sep 30, 2014 @ 5:30am

You Monster

Reunite with GLaDOS
Unlocked Sep 30, 2014 @ 5:54am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Sep 30, 2014 @ 5:59am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Oct 1, 2014 @ 7:31am

SaBOTour

Make a break for it
Unlocked Oct 18, 2014 @ 3:28pm

Stalemate Associate

Press the button!
Unlocked Oct 18, 2014 @ 4:06pm

Tater Tote

Carry science forward
Unlocked Nov 8, 2014 @ 11:32am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Nov 8, 2014 @ 10:30am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Nov 8, 2014 @ 12:09pm

White Out

Complete the first Conversion Gel test
Unlocked Nov 8, 2014 @ 12:38pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Nov 10, 2014 @ 10:59am

Dual Pit Experiment

Do the same test twice
Unlocked Nov 10, 2014 @ 9:59am

The Part Where He Kills You

This is that part
Unlocked Nov 10, 2014 @ 11:24am

Lunacy

That just happened
Unlocked Nov 10, 2014 @ 12:02pm

Drop Box

Place a cube on a button without touching the cube
Unlocked Jan 20 @ 8:00pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Jan 20 @ 8:00pm

Pit Boss

Show that pit who's boss
Unlocked Jan 20 @ 8:00pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Jan 20 @ 8:00pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Jan 20 @ 8:00pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Jan 20 @ 8:00pm

Good Listener

Take GLaDOS' escape advice
Unlocked Oct 18, 2014 @ 3:28pm

Scanned Alone

Stand in a defective turret detector
Unlocked Oct 18, 2014 @ 3:49pm

No Hard Feelings

Save a turret from redemption
Unlocked Oct 18, 2014 @ 3:40pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Jan 20 @ 8:00pm

Ship Overboard

Discover the missing experiment
Unlocked Nov 8, 2014 @ 11:09am

Door Prize

Examine all the vitrified test chamber doors
Unlocked Jan 20 @ 8:00pm

Portrait of a Lady

Find a hidden portrait
Unlocked Jan 20 @ 8:00pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Jan 20 @ 8:00pm

Smash TV

Break 11 test chamber monitors
Unlocked Jan 20 @ 8:00pm

High Five

Celebrate your cooperative calibration success
Unlocked Oct 3, 2014 @ 4:00pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Oct 3, 2014 @ 4:22pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Feb 21, 2018 @ 2:37am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Nov 8, 2014 @ 3:05pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Feb 28, 2016 @ 4:37am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Feb 21, 2018 @ 2:37am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Jan 20 @ 8:00pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Feb 28, 2016 @ 4:07am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Jan 20 @ 8:00pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Jan 20 @ 8:00pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Jan 20 @ 8:00pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Jan 20 @ 8:00pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Jan 20 @ 8:00pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Nov 9, 2014 @ 12:37pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Jan 20 @ 8:00pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Jan 20 @ 8:00pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Jan 20 @ 8:00pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Jan 20 @ 8:00pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Feb 28, 2016 @ 4:50am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Feb 28, 2016 @ 5:43am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Nov 9, 2014 @ 12:08pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Jan 20 @ 8:00pm