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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 31 Oct, 2015 @ 5:56am

You Monster

Reunite with GLaDOS
Unlocked 31 Oct, 2015 @ 6:14am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 31 Oct, 2015 @ 6:18am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 31 Oct, 2015 @ 8:07am

SaBOTour

Make a break for it
Unlocked 31 Oct, 2015 @ 9:03am

Stalemate Associate

Press the button!
Unlocked 1 Nov, 2015 @ 5:42am

Tater Tote

Carry science forward
Unlocked 1 Nov, 2015 @ 6:07am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 1 Nov, 2015 @ 6:01am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 1 Nov, 2015 @ 6:17am

White Out

Complete the first Conversion Gel test
Unlocked 1 Nov, 2015 @ 6:25am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 1 Nov, 2015 @ 7:04am

Dual Pit Experiment

Do the same test twice
Unlocked 1 Nov, 2015 @ 6:39am

The Part Where He Kills You

This is that part
Unlocked 1 Nov, 2015 @ 7:20am

Lunacy

That just happened
Unlocked 1 Nov, 2015 @ 7:44am

Drop Box

Place a cube on a button without touching the cube
Unlocked 31 Oct, 2015 @ 6:28am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 24 Mar, 2017 @ 10:03pm

Pit Boss

Show that pit who's boss
Unlocked 1 Nov, 2015 @ 7:20am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 17 Jun, 2016 @ 1:41am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 2 Nov, 2015 @ 2:55am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 31 Oct, 2015 @ 6:27am

Good Listener

Take GLaDOS' escape advice
Unlocked 31 Oct, 2015 @ 9:03am

Scanned Alone

Stand in a defective turret detector
Unlocked 21 Jul, 2016 @ 6:24am

No Hard Feelings

Save a turret from redemption
Unlocked 1 Nov, 2015 @ 5:33am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 4 May, 2020 @ 11:08am

Ship Overboard

Discover the missing experiment
Unlocked 1 Nov, 2015 @ 6:09am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 21 Mar, 2022 @ 8:02am

Portrait of a Lady

Find a hidden portrait
Unlocked 1 Nov, 2015 @ 6:12am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 17 Jun, 2016 @ 2:23am

Smash TV

Break 11 test chamber monitors
Unlocked 9 Sep, 2016 @ 10:00am

High Five

Celebrate your cooperative calibration success
Unlocked 4 Nov, 2015 @ 11:16pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 11 Nov, 2015 @ 5:12am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 7 Jan, 2016 @ 5:03am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 7 Jan, 2016 @ 5:24am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 9 Oct, 2016 @ 10:34am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 9 Oct, 2016 @ 11:27am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 18 Jul, 2020 @ 7:50am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 9 Oct, 2016 @ 10:06am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 8 Oct, 2016 @ 6:06am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 18 Jul, 2020 @ 9:33am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 9 Oct, 2016 @ 10:30am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 18 Jul, 2020 @ 9:12am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 4 Nov, 2019 @ 4:45am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 11 Nov, 2015 @ 5:34am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 9 Oct, 2016 @ 9:58am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 9 Oct, 2016 @ 10:40am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 10 Nov, 2019 @ 11:05am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 18 Jul, 2020 @ 10:26am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 9 Oct, 2016 @ 10:49am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 22 May, 2020 @ 10:48am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 10 Nov, 2019 @ 10:53am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 24 Dec, 2019 @ 5:21am