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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 16 Oct, 2018 @ 4:02am

You Monster

Reunite with GLaDOS
Unlocked 16 Oct, 2018 @ 4:26am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 16 Oct, 2018 @ 4:30am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 16 Oct, 2018 @ 5:23am

SaBOTour

Make a break for it
Unlocked 16 Oct, 2018 @ 6:16am

Stalemate Associate

Press the button!
Unlocked 16 Oct, 2018 @ 6:57am

Tater Tote

Carry science forward
Unlocked 16 Oct, 2018 @ 8:14am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 16 Oct, 2018 @ 7:42am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 16 Oct, 2018 @ 8:36am

White Out

Complete the first Conversion Gel test
Unlocked 17 Oct, 2018 @ 4:37am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 17 Oct, 2018 @ 6:40am

Dual Pit Experiment

Do the same test twice
Unlocked 17 Oct, 2018 @ 5:29am

The Part Where He Kills You

This is that part
Unlocked 17 Oct, 2018 @ 7:20am

Lunacy

That just happened
Unlocked 19 Oct, 2018 @ 5:07am

Drop Box

Place a cube on a button without touching the cube
Unlocked 20 Dec, 2018 @ 8:18am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 17 Jul, 2019 @ 12:22am

Pit Boss

Show that pit who's boss
Unlocked 8 Jun, 2019 @ 1:08am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 24 Dec, 2018 @ 3:44am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 24 Dec, 2018 @ 5:05am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 8 Jun, 2019 @ 1:25am

Good Listener

Take GLaDOS' escape advice
Unlocked 12 Jan, 2019 @ 8:28am

Scanned Alone

Stand in a defective turret detector
Unlocked 16 Oct, 2018 @ 6:32am

No Hard Feelings

Save a turret from redemption
Unlocked 16 Oct, 2018 @ 6:28am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 17 Jul, 2019 @ 6:58am

Ship Overboard

Discover the missing experiment
Unlocked 31 Dec, 2018 @ 2:17am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 31 Dec, 2018 @ 2:17am

Portrait of a Lady

Find a hidden portrait
Unlocked 7 Jun, 2019 @ 4:32am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 29 Dec, 2018 @ 10:21am

Smash TV

Break 11 test chamber monitors
Unlocked 13 Jul, 2019 @ 5:59am

High Five

Celebrate your cooperative calibration success
Unlocked 21 Dec, 2018 @ 6:34am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 21 Dec, 2018 @ 8:49am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 22 Dec, 2018 @ 5:52am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 25 Dec, 2018 @ 7:55am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 25 Dec, 2018 @ 9:02am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 30 Dec, 2018 @ 11:13am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 17 Jul, 2019 @ 2:05am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 25 Dec, 2018 @ 8:22am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 25 Dec, 2018 @ 8:46am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 30 Dec, 2018 @ 10:11am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 17 Jul, 2019 @ 1:44am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 8 May, 2019 @ 11:05am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 8 Jul, 2019 @ 1:49am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 21 Dec, 2018 @ 7:14am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 19 Jul, 2019 @ 5:45am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 13 Jul, 2019 @ 4:58am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 19 Jul, 2019 @ 4:52am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 23 Jul, 2019 @ 7:52am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 8 Jul, 2019 @ 1:54am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 8 May, 2019 @ 11:14am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 17 Jul, 2019 @ 1:14am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 17 Jul, 2019 @ 2:36am