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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 23 Dec, 2018 @ 12:42am

You Monster

Reunite with GLaDOS
Unlocked 23 Dec, 2018 @ 12:56am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 23 Dec, 2018 @ 12:59am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 23 Dec, 2018 @ 11:31am

SaBOTour

Make a break for it
Unlocked 1 Feb, 2019 @ 10:12am

Stalemate Associate

Press the button!
Unlocked 27 Dec, 2018 @ 7:23am

Tater Tote

Carry science forward
Unlocked 30 Dec, 2018 @ 6:47am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 29 Dec, 2018 @ 3:47pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 10 Jan, 2019 @ 7:12am

White Out

Complete the first Conversion Gel test
Unlocked 10 Jan, 2019 @ 7:19am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 10 Jan, 2019 @ 8:12am

Dual Pit Experiment

Do the same test twice
Unlocked 31 Dec, 2018 @ 7:54am

The Part Where He Kills You

This is that part
Unlocked 10 Jan, 2019 @ 8:26am

Lunacy

That just happened
Unlocked 10 Jan, 2019 @ 8:44am

Drop Box

Place a cube on a button without touching the cube
Unlocked 1 Feb, 2019 @ 9:51am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 1 Feb, 2019 @ 10:04am

Pit Boss

Show that pit who's boss
Unlocked 10 Jan, 2019 @ 8:27am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 23 Dec, 2018 @ 1:08am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 1 Feb, 2019 @ 9:49am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 1 Feb, 2019 @ 9:56am

Good Listener

Take GLaDOS' escape advice
Unlocked 1 Feb, 2019 @ 10:13am

Scanned Alone

Stand in a defective turret detector
Unlocked 11 Jan, 2019 @ 5:30am

No Hard Feelings

Save a turret from redemption
Unlocked 27 Dec, 2018 @ 7:11am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 29 Dec, 2018 @ 3:50pm

Ship Overboard

Discover the missing experiment
Unlocked 30 Dec, 2018 @ 6:45am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 1 Feb, 2019 @ 10:35am

Portrait of a Lady

Find a hidden portrait
Unlocked 4 Jan, 2019 @ 2:51pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 4 Jan, 2019 @ 2:43pm

Smash TV

Break 11 test chamber monitors
Unlocked 24 Mar, 2021 @ 11:10am

High Five

Celebrate your cooperative calibration success
Unlocked 23 Dec, 2018 @ 1:32am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 23 Dec, 2018 @ 2:02am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 30 Dec, 2018 @ 3:20am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 17 Sep, 2019 @ 9:23am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 28 May, 2020 @ 11:07am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 6 Mar, 2021 @ 10:03am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 19 Sep, 2019 @ 9:11am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 17 Sep, 2019 @ 9:54am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 13 Sep, 2019 @ 5:37am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 30 Dec, 2018 @ 3:27am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 8 Mar, 2021 @ 4:33am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 19 Sep, 2019 @ 8:43am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 7 Jan, 2022 @ 2:34am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 28 Dec, 2018 @ 8:34am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 8 Mar, 2021 @ 5:20am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 19 Sep, 2019 @ 8:50am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 8 Mar, 2021 @ 5:36am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 8 Mar, 2021 @ 4:51am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 28 May, 2020 @ 11:11am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 28 Dec, 2018 @ 8:02am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 9 Jan, 2022 @ 4:35am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 8 Mar, 2021 @ 5:02am