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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Oct 26, 2015 @ 10:34am

You Monster

Reunite with GLaDOS
Unlocked Oct 26, 2015 @ 10:57am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Oct 26, 2015 @ 11:02am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Apr 18, 2017 @ 8:42am

SaBOTour

Make a break for it
Unlocked Apr 18, 2017 @ 9:36am

Stalemate Associate

Press the button!
Unlocked Apr 18, 2017 @ 12:46pm

Tater Tote

Carry science forward
Unlocked Oct 26, 2015 @ 4:09pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Oct 26, 2015 @ 3:38pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked Oct 26, 2015 @ 4:37pm

White Out

Complete the first Conversion Gel test
Unlocked Apr 18, 2017 @ 1:58pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Oct 27, 2015 @ 5:10am

Dual Pit Experiment

Do the same test twice
Unlocked Oct 27, 2015 @ 4:22am

The Part Where He Kills You

This is that part
Unlocked Oct 27, 2015 @ 5:20am

Lunacy

That just happened
Unlocked Apr 19, 2017 @ 11:36am

Drop Box

Place a cube on a button without touching the cube
Unlocked Apr 18, 2017 @ 8:24am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Jun 17, 2017 @ 6:26am

Pit Boss

Show that pit who's boss
Unlocked Apr 19, 2017 @ 11:14am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Oct 26, 2015 @ 11:20am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Jun 17, 2017 @ 6:53am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Jun 17, 2017 @ 6:56am

Good Listener

Take GLaDOS' escape advice
Unlocked Apr 18, 2017 @ 9:37am

Scanned Alone

Stand in a defective turret detector
Unlocked Apr 18, 2017 @ 9:47am

No Hard Feelings

Save a turret from redemption
Unlocked Apr 18, 2017 @ 9:45am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Oct 26, 2015 @ 3:55pm

Ship Overboard

Discover the missing experiment
Unlocked Oct 26, 2015 @ 4:02pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked Oct 26, 2015 @ 4:06pm

Portrait of a Lady

Find a hidden portrait
Unlocked Jun 17, 2017 @ 7:01am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Jun 17, 2017 @ 7:07am

Smash TV

Break 11 test chamber monitors
Unlocked Jun 17, 2017 @ 8:29am

High Five

Celebrate your cooperative calibration success
Unlocked Oct 26, 2015 @ 4:47am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Oct 26, 2015 @ 5:07am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Oct 26, 2015 @ 5:44am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Oct 26, 2015 @ 6:37am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Apr 18, 2017 @ 10:25am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Apr 18, 2017 @ 11:33am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Dec 9, 2018 @ 8:20am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Oct 26, 2015 @ 3:06pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Apr 18, 2017 @ 10:17am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Dec 9, 2018 @ 8:32am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Dec 12, 2018 @ 2:42pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Dec 9, 2018 @ 6:09am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Dec 9, 2018 @ 5:50am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Oct 26, 2015 @ 2:39pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Dec 23, 2018 @ 4:50pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Dec 23, 2018 @ 4:39pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Dec 24, 2018 @ 4:27pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Dec 24, 2018 @ 4:18pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Dec 9, 2018 @ 8:34am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Dec 9, 2018 @ 5:52am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked May 19, 2022 @ 4:50am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Dec 23, 2018 @ 4:02pm