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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 24 Jun, 2017 @ 10:19am

You Monster

Reunite with GLaDOS
Unlocked 24 Jun, 2017 @ 10:19am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 24 Jun, 2017 @ 10:29am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 24 Jun, 2017 @ 10:56am

SaBOTour

Make a break for it
Unlocked 24 Jun, 2017 @ 11:27am

Stalemate Associate

Press the button!
Unlocked 25 Jun, 2017 @ 1:57am

Tater Tote

Carry science forward
Unlocked 26 Jun, 2017 @ 2:19am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 25 Jun, 2017 @ 2:34am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 26 Jun, 2017 @ 2:30am

White Out

Complete the first Conversion Gel test
Unlocked 26 Jun, 2017 @ 4:56am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 26 Jun, 2017 @ 10:02am

Dual Pit Experiment

Do the same test twice
Unlocked 26 Jun, 2017 @ 9:28am

The Part Where He Kills You

This is that part
Unlocked 26 Jun, 2017 @ 10:09am

Lunacy

That just happened
Unlocked 26 Jun, 2017 @ 10:32am

Drop Box

Place a cube on a button without touching the cube
Unlocked 11 Sep, 2017 @ 10:34pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 1 Jun, 2019 @ 7:45am

Pit Boss

Show that pit who's boss
Unlocked 7 Dec, 2017 @ 11:35am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 1 Jun, 2019 @ 7:53am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 11 Sep, 2017 @ 10:36pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 11 Sep, 2017 @ 10:38pm

Good Listener

Take GLaDOS' escape advice
Unlocked 24 Jun, 2017 @ 11:28am

Scanned Alone

Stand in a defective turret detector
Unlocked 1 Jun, 2019 @ 8:03am

No Hard Feelings

Save a turret from redemption
Unlocked 24 Jun, 2017 @ 11:36am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 31 May, 2020 @ 5:40am

Ship Overboard

Discover the missing experiment
Unlocked 27 Jun, 2017 @ 9:12am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 29 May, 2020 @ 9:03am

Portrait of a Lady

Find a hidden portrait
Unlocked 29 May, 2020 @ 9:08am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 11 Sep, 2017 @ 10:20pm

Smash TV

Break 11 test chamber monitors
Unlocked 2 Jun, 2020 @ 8:52am

High Five

Celebrate your cooperative calibration success
Unlocked 24 Jun, 2017 @ 7:14am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 24 Jun, 2017 @ 7:39am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 25 Jun, 2017 @ 2:47am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 25 Jun, 2017 @ 5:43am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 25 Jun, 2017 @ 6:56am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 25 Jun, 2017 @ 10:13am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 26 Jun, 2017 @ 3:01am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 25 Jun, 2017 @ 6:21am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 26 Jun, 2017 @ 3:40am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 26 Jun, 2017 @ 3:03am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 26 Jun, 2017 @ 3:49am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 12 Sep, 2017 @ 12:07pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 2 Jul, 2017 @ 11:47am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 24 Jun, 2017 @ 7:48am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 26 Jun, 2017 @ 3:37am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 12 Sep, 2017 @ 12:05pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 19 Apr, 2018 @ 5:44am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 3 May, 2021 @ 12:25pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 26 Jun, 2017 @ 2:47am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 2 Jul, 2017 @ 12:37pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 13 Oct, 2017 @ 2:37am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 19 Apr, 2018 @ 5:31am