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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 28 Dec, 2018 @ 11:47pm

You Monster

Reunite with GLaDOS
Unlocked 29 Dec, 2018 @ 12:12am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 29 Dec, 2018 @ 12:16am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 29 Dec, 2018 @ 10:49am

SaBOTour

Make a break for it
Unlocked 15 Feb, 2019 @ 5:53pm

Stalemate Associate

Press the button!
Unlocked 15 Feb, 2019 @ 6:25pm

Tater Tote

Carry science forward
Unlocked 16 Feb, 2019 @ 9:53am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 15 Feb, 2019 @ 7:17pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 16 Feb, 2019 @ 11:22am

White Out

Complete the first Conversion Gel test
Unlocked 16 Feb, 2019 @ 11:22am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 16 Feb, 2019 @ 1:35pm

Dual Pit Experiment

Do the same test twice
Unlocked 16 Feb, 2019 @ 12:12pm

The Part Where He Kills You

This is that part
Unlocked 16 Feb, 2019 @ 2:00pm

Lunacy

That just happened
Unlocked 16 Feb, 2019 @ 2:31pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 29 Dec, 2018 @ 10:25am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 3 Jun, 2020 @ 5:01am

Pit Boss

Show that pit who's boss
Unlocked 6 Jul, 2019 @ 12:17am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 29 Dec, 2018 @ 10:28am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 3 Jun, 2020 @ 4:24am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 3 Jun, 2020 @ 4:29am

Good Listener

Take GLaDOS' escape advice
Unlocked 15 Feb, 2019 @ 5:54pm

Scanned Alone

Stand in a defective turret detector
Unlocked 15 Feb, 2019 @ 6:11pm

No Hard Feelings

Save a turret from redemption
Unlocked 15 Feb, 2019 @ 6:06pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 3 Jun, 2020 @ 3:53am

Ship Overboard

Discover the missing experiment
Unlocked 16 Feb, 2019 @ 9:47am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 16 Feb, 2019 @ 9:47am

Portrait of a Lady

Find a hidden portrait
Unlocked 16 Jan, 2020 @ 4:44pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 16 Jan, 2020 @ 5:51pm

Smash TV

Break 11 test chamber monitors
Unlocked 3 Jun, 2020 @ 12:13pm

High Five

Celebrate your cooperative calibration success
Unlocked 17 Jul, 2019 @ 6:19pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 17 Jul, 2019 @ 6:43pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 2 Jun, 2020 @ 3:24pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 3 Jun, 2020 @ 1:03am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 12 Mar, 2021 @ 8:56pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 12 Mar, 2021 @ 10:07pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 24 Mar, 2021 @ 7:25pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 12 Mar, 2021 @ 7:59pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 2 Jun, 2020 @ 4:00pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 2 Jun, 2020 @ 3:28pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 24 Mar, 2021 @ 7:02pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 2 Jun, 2020 @ 3:46pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 24 Mar, 2021 @ 6:53pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 17 Jul, 2019 @ 6:52pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 24 Mar, 2021 @ 8:04pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 12 Mar, 2021 @ 8:07pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 24 Mar, 2021 @ 7:12pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 24 Mar, 2021 @ 8:37pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 12 Mar, 2021 @ 9:14pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 17 Jul, 2019 @ 7:17pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 25 Mar, 2021 @ 9:54pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 24 Mar, 2021 @ 7:44pm