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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 26 Dec, 2017 @ 10:51am

You Monster

Reunite with GLaDOS
Unlocked 26 Dec, 2017 @ 11:22am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 29 Dec, 2017 @ 4:42am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 29 Dec, 2017 @ 6:57am

SaBOTour

Make a break for it
Unlocked 29 Dec, 2017 @ 7:52am

Stalemate Associate

Press the button!
Unlocked 29 Dec, 2017 @ 8:30am

Tater Tote

Carry science forward
Unlocked 29 Dec, 2017 @ 10:07am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 29 Dec, 2017 @ 9:12am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 30 Dec, 2017 @ 7:39am

White Out

Complete the first Conversion Gel test
Unlocked 30 Dec, 2017 @ 8:29am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 31 Dec, 2017 @ 6:52am

Dual Pit Experiment

Do the same test twice
Unlocked 31 Dec, 2017 @ 6:01am

The Part Where He Kills You

This is that part
Unlocked 1 Jan, 2018 @ 7:08am

Lunacy

That just happened
Unlocked 1 Jan, 2018 @ 7:59am

Drop Box

Place a cube on a button without touching the cube
Unlocked 3 Jan, 2018 @ 8:42am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 4 Jan, 2018 @ 7:05am

Pit Boss

Show that pit who's boss
Unlocked 6 Jan, 2018 @ 5:00am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 6 Jan, 2018 @ 5:08am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 5 Jan, 2018 @ 12:29pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 6 Jan, 2018 @ 5:15am

Good Listener

Take GLaDOS' escape advice
Unlocked 6 Jan, 2018 @ 5:21am

Scanned Alone

Stand in a defective turret detector
Unlocked 29 Dec, 2017 @ 8:07am

No Hard Feelings

Save a turret from redemption
Unlocked 29 Dec, 2017 @ 8:03am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 29 Dec, 2017 @ 9:35am

Ship Overboard

Discover the missing experiment
Unlocked 6 Jan, 2018 @ 5:28am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 6 Jan, 2018 @ 5:28am

Portrait of a Lady

Find a hidden portrait
Unlocked 6 Jan, 2018 @ 5:34am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 6 Jan, 2018 @ 5:40am

Smash TV

Break 11 test chamber monitors
Unlocked 21 Dec @ 11:33am

High Five

Celebrate your cooperative calibration success
Unlocked 24 Dec, 2017 @ 8:38am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 24 Dec, 2017 @ 9:06am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 26 Dec, 2017 @ 11:45am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 27 Dec, 2017 @ 9:08am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 14 Jan, 2018 @ 10:06am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 18 Jan, 2018 @ 12:53pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 21 Dec @ 12:55pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 27 Dec, 2017 @ 9:48am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 8 Jan, 2020 @ 2:40pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 21 Dec @ 12:27pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 21 Dec @ 1:13pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 21 Dec @ 2:57pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 21 Dec @ 12:41pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 27 Dec, 2017 @ 9:42am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 21 Dec @ 2:40pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 21 Dec @ 2:56pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 21 Dec @ 2:11pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 25 Dec @ 2:06pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 14 Jan, 2018 @ 10:17am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 7 Jan, 2018 @ 1:53pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 6 Jan, 2018 @ 6:17am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 21 Dec @ 3:09pm