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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Sep 30, 2016 @ 12:02am

You Monster

Reunite with GLaDOS
Unlocked Oct 5, 2016 @ 8:23pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Oct 5, 2016 @ 8:31pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked May 21, 2020 @ 9:56pm

SaBOTour

Make a break for it
Unlocked May 21, 2020 @ 11:18pm

Stalemate Associate

Press the button!
Unlocked May 22, 2020 @ 12:11am

Tater Tote

Carry science forward
Unlocked May 22, 2020 @ 1:21am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked May 22, 2020 @ 12:58am

Stranger Than Friction

Master the Propulsion Gel
Unlocked May 23, 2020 @ 12:52am

White Out

Complete the first Conversion Gel test
Unlocked May 23, 2020 @ 1:05am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked May 24, 2020 @ 12:49am

Dual Pit Experiment

Do the same test twice
Unlocked May 23, 2020 @ 1:36am

The Part Where He Kills You

This is that part
Unlocked May 24, 2020 @ 1:14am

Lunacy

That just happened
Unlocked May 24, 2020 @ 5:04pm

Drop Box

Place a cube on a button without touching the cube
Unlocked Oct 5, 2016 @ 8:56pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked May 24, 2020 @ 5:35pm

Pit Boss

Show that pit who's boss
Unlocked May 24, 2020 @ 1:17am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Oct 5, 2016 @ 9:03pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Oct 5, 2016 @ 8:51pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Oct 5, 2016 @ 8:53pm

Good Listener

Take GLaDOS' escape advice
Unlocked May 21, 2020 @ 11:19pm

Scanned Alone

Stand in a defective turret detector
Unlocked May 21, 2020 @ 11:42pm

No Hard Feelings

Save a turret from redemption
Unlocked May 21, 2020 @ 11:39pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked May 22, 2020 @ 1:12am

Ship Overboard

Discover the missing experiment
Unlocked May 22, 2020 @ 1:18am

Door Prize

Examine all the vitrified test chamber doors
Unlocked May 22, 2020 @ 1:19am

Portrait of a Lady

Find a hidden portrait
Unlocked May 23, 2020 @ 12:40am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked May 23, 2020 @ 1:32am

Smash TV

Break 11 test chamber monitors
Unlocked May 24, 2020 @ 6:48pm

High Five

Celebrate your cooperative calibration success
Unlocked Sep 29, 2016 @ 1:26am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Sep 29, 2016 @ 2:13am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Sep 30, 2016 @ 1:36am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Sep 30, 2016 @ 3:50am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Sep 30, 2016 @ 7:24am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Oct 1, 2016 @ 8:26am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Oct 5, 2016 @ 2:26am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Sep 30, 2016 @ 5:57am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Sep 30, 2016 @ 5:39am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Sep 30, 2016 @ 2:25am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Oct 5, 2016 @ 2:02am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Sep 30, 2016 @ 12:14am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Oct 12, 2016 @ 12:07am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Sep 30, 2016 @ 12:19am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Oct 5, 2016 @ 3:23am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Oct 5, 2016 @ 5:47am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Oct 5, 2016 @ 5:34am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Oct 5, 2016 @ 6:47am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Oct 5, 2016 @ 2:10am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Sep 29, 2016 @ 2:39am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Oct 1, 2016 @ 9:25pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Oct 5, 2016 @ 1:41am