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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 29 Jun, 2017 @ 2:46am

You Monster

Reunite with GLaDOS
Unlocked 29 Jun, 2017 @ 9:57am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 29 Jun, 2017 @ 10:01am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 29 Jun, 2017 @ 10:28am

SaBOTour

Make a break for it
Unlocked 30 Jul, 2017 @ 12:52am

Stalemate Associate

Press the button!
Unlocked 30 Jul, 2017 @ 1:10am

Tater Tote

Carry science forward
Unlocked 30 Jul, 2017 @ 1:52am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 30 Jul, 2017 @ 1:38am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 30 Jul, 2017 @ 2:39am

White Out

Complete the first Conversion Gel test
Unlocked 30 Jul, 2017 @ 2:48am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 31 Jul, 2017 @ 3:58am

Dual Pit Experiment

Do the same test twice
Unlocked 30 Jul, 2017 @ 3:10am

The Part Where He Kills You

This is that part
Unlocked 31 Jul, 2017 @ 3:59am

Lunacy

That just happened
Unlocked 31 Jul, 2017 @ 4:19am

Drop Box

Place a cube on a button without touching the cube
Unlocked 30 Jul, 2017 @ 11:48pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 20 Aug, 2017 @ 6:11am

Pit Boss

Show that pit who's boss
Unlocked 20 Aug, 2017 @ 6:15am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 29 Jun, 2017 @ 10:17am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 2 Aug, 2017 @ 3:06am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 20 Aug, 2017 @ 6:27am

Good Listener

Take GLaDOS' escape advice
Unlocked 20 Aug, 2017 @ 6:37am

Scanned Alone

Stand in a defective turret detector
Unlocked 20 Aug, 2017 @ 6:45am

No Hard Feelings

Save a turret from redemption
Unlocked 30 Jul, 2017 @ 12:58am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 20 Aug, 2017 @ 7:13am

Ship Overboard

Discover the missing experiment
Unlocked 20 Aug, 2017 @ 7:17am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 20 Aug, 2017 @ 7:17am

Portrait of a Lady

Find a hidden portrait
Unlocked 20 Aug, 2017 @ 7:24am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 20 Aug, 2017 @ 7:28am

Smash TV

Break 11 test chamber monitors
Unlocked 20 Aug, 2017 @ 8:11am

High Five

Celebrate your cooperative calibration success
Unlocked 6 Aug, 2017 @ 1:20pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 6 Aug, 2017 @ 1:39pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 6 Aug, 2017 @ 2:10pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 6 Aug, 2017 @ 2:53pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 7 Aug, 2017 @ 1:08pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 8 Aug, 2017 @ 2:45am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 19 Aug, 2017 @ 8:17am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 7 Aug, 2017 @ 12:39pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 6 Aug, 2017 @ 2:39pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 8 Aug, 2017 @ 10:57am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 19 Aug, 2017 @ 7:49am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 18 Aug, 2017 @ 2:19pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 21 Jul, 2018 @ 8:53am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 6 Aug, 2017 @ 1:57pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 19 Aug, 2017 @ 8:44am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 19 Aug, 2017 @ 9:37am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 19 Aug, 2017 @ 9:04am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 19 Aug, 2017 @ 9:32am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 19 Aug, 2017 @ 9:40am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 6 Aug, 2017 @ 1:49pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 21 Jul, 2018 @ 8:53am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 19 Aug, 2017 @ 8:54am