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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 10 Jun, 2018 @ 2:28pm

You Monster

Reunite with GLaDOS
Unlocked 10 Jun, 2018 @ 3:30pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 10 Jun, 2018 @ 3:37pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 15 Jun, 2018 @ 11:23am

SaBOTour

Make a break for it
Unlocked 22 Jun, 2018 @ 6:42am

Stalemate Associate

Press the button!
Unlocked 22 Jun, 2018 @ 7:35am

Tater Tote

Carry science forward
Unlocked 22 Jun, 2018 @ 10:00am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 22 Jun, 2018 @ 9:18am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 24 Jun, 2018 @ 10:21am

White Out

Complete the first Conversion Gel test
Unlocked 24 Jun, 2018 @ 11:26am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 25 Jun, 2018 @ 6:06pm

Dual Pit Experiment

Do the same test twice
Unlocked 24 Jun, 2018 @ 12:28pm

The Part Where He Kills You

This is that part
Unlocked 28 Jun, 2018 @ 2:23pm

Lunacy

That just happened
Unlocked 28 Jun, 2018 @ 3:08pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 7 Aug, 2022 @ 2:46pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 7 Aug, 2022 @ 2:57pm

Pit Boss

Show that pit who's boss
Unlocked 7 Aug, 2022 @ 3:06pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 7 Aug, 2022 @ 3:11pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 28 Jun, 2018 @ 2:35pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 7 Aug, 2022 @ 5:29pm

Good Listener

Take GLaDOS' escape advice
Unlocked 22 Jun, 2018 @ 6:43am

Scanned Alone

Stand in a defective turret detector
Unlocked 22 Jun, 2018 @ 7:10am

No Hard Feelings

Save a turret from redemption
Unlocked 22 Jun, 2018 @ 7:02am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 7 Aug, 2022 @ 4:12pm

Ship Overboard

Discover the missing experiment
Unlocked 7 Aug, 2022 @ 4:39pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 7 Aug, 2022 @ 5:04pm

Portrait of a Lady

Find a hidden portrait
Unlocked 7 Aug, 2022 @ 4:47pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 7 Aug, 2022 @ 5:18pm

Smash TV

Break 11 test chamber monitors
Unlocked 8 Aug, 2022 @ 6:01pm

High Five

Celebrate your cooperative calibration success
Unlocked 2 Jul, 2018 @ 9:14am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 2 Jul, 2018 @ 9:44am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 2 Jul, 2018 @ 10:49am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 27 Aug, 2022 @ 10:28pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 28 Aug, 2022 @ 1:00pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 28 Aug, 2022 @ 2:49pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 29 Aug, 2022 @ 9:39pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 28 Aug, 2022 @ 12:12pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 29 Aug, 2022 @ 8:56pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 29 Aug, 2022 @ 9:06pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 29 Aug, 2022 @ 9:03pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 29 Aug, 2022 @ 9:26pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 30 Aug, 2022 @ 8:24pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 29 Oct, 2021 @ 10:54pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 29 Aug, 2022 @ 10:03pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 29 Aug, 2022 @ 9:25pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 30 Aug, 2022 @ 8:37pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 30 Aug, 2022 @ 10:22pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 29 Aug, 2022 @ 10:09pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 28 Aug, 2022 @ 11:39am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 1 Sep, 2022 @ 11:46am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 29 Aug, 2022 @ 8:50pm