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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 11 Aug, 2018 @ 1:08am

You Monster

Reunite with GLaDOS
Unlocked 25 Nov, 2018 @ 2:35am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 25 Nov, 2018 @ 2:38am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 2 Dec, 2018 @ 5:21am

SaBOTour

Make a break for it
Unlocked 3 Dec, 2018 @ 3:56am

Stalemate Associate

Press the button!
Unlocked 3 Dec, 2018 @ 4:37am

Tater Tote

Carry science forward
Unlocked 4 Dec, 2018 @ 1:51am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 4 Dec, 2018 @ 1:36am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 12 Feb, 2019 @ 1:03am

White Out

Complete the first Conversion Gel test
Unlocked 12 Feb, 2019 @ 1:18am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 12 Feb, 2019 @ 4:01am

Dual Pit Experiment

Do the same test twice
Unlocked 12 Feb, 2019 @ 1:56am

The Part Where He Kills You

This is that part
Unlocked 12 Feb, 2019 @ 4:19am

Lunacy

That just happened
Unlocked 12 Feb, 2019 @ 4:53am

Drop Box

Place a cube on a button without touching the cube
Unlocked 16 Feb, 2019 @ 8:21am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 28 Apr, 2019 @ 2:26am

Pit Boss

Show that pit who's boss
Unlocked 12 Feb, 2019 @ 4:20am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 16 Feb, 2019 @ 9:00am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 16 Feb, 2019 @ 8:21am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 16 Feb, 2019 @ 8:20am

Good Listener

Take GLaDOS' escape advice
Unlocked 3 Dec, 2018 @ 3:56am

Scanned Alone

Stand in a defective turret detector
Unlocked 16 Feb, 2019 @ 8:31am

No Hard Feelings

Save a turret from redemption
Unlocked 3 Dec, 2018 @ 4:16am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 28 Mar, 2019 @ 12:51am

Ship Overboard

Discover the missing experiment
Unlocked 28 Mar, 2019 @ 12:57am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 28 Mar, 2019 @ 12:57am

Portrait of a Lady

Find a hidden portrait
Unlocked 4 Dec, 2018 @ 1:57am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 26 May, 2021 @ 8:45am

Smash TV

Break 11 test chamber monitors
Unlocked 28 Mar, 2019 @ 1:53am

High Five

Celebrate your cooperative calibration success
Unlocked 1 Dec, 2018 @ 8:45am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 1 Dec, 2018 @ 9:02am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 13 Feb, 2019 @ 2:48am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 27 Mar, 2019 @ 5:12am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 14 Apr, 2019 @ 2:09am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 14 Apr, 2019 @ 2:09am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 20 Jan, 2023 @ 8:07am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 12 Apr, 2019 @ 6:53am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 24 Feb, 2019 @ 5:45am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 17 Feb, 2019 @ 3:16am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 20 Jan, 2023 @ 8:19am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 24 Feb, 2019 @ 5:31am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 18 Jan, 2023 @ 12:46pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 18 Mar, 2019 @ 6:39am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 24 Feb, 2019 @ 5:34am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 20 Jan, 2023 @ 7:15am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 20 Jan, 2023 @ 7:59am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 20 Jan, 2023 @ 8:40am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 13 Apr, 2019 @ 8:38am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 12 Nov, 2021 @ 3:24am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 20 Jan, 2023 @ 7:05am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 26 Apr, 2019 @ 7:44am