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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 29 Nov, 2017 @ 8:35pm

You Monster

Reunite with GLaDOS
Unlocked 29 Nov, 2017 @ 8:57pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 30 Nov, 2017 @ 9:30pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 30 Nov, 2017 @ 10:05pm

SaBOTour

Make a break for it
Unlocked 2 Dec, 2017 @ 3:34am

Stalemate Associate

Press the button!
Unlocked 3 Dec, 2017 @ 3:35am

Tater Tote

Carry science forward
Unlocked 22 May, 2018 @ 12:29pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 22 May, 2018 @ 12:09pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 22 May, 2018 @ 9:09pm

White Out

Complete the first Conversion Gel test
Unlocked 22 May, 2018 @ 9:27pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 25 May, 2018 @ 8:24am

Dual Pit Experiment

Do the same test twice
Unlocked 25 May, 2018 @ 7:31am

The Part Where He Kills You

This is that part
Unlocked 11 Jun, 2018 @ 11:50am

Lunacy

That just happened
Unlocked 29 Jun, 2018 @ 3:43am

Drop Box

Place a cube on a button without touching the cube
Unlocked 12 Jun, 2018 @ 3:33am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 12 Jul, 2018 @ 5:49am

Pit Boss

Show that pit who's boss
Unlocked 11 Jun, 2018 @ 11:51am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 12 Jun, 2018 @ 3:37am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 5 Jul, 2018 @ 12:40pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 30 Nov, 2017 @ 9:45pm

Good Listener

Take GLaDOS' escape advice
Unlocked 2 Dec, 2017 @ 3:35am

Scanned Alone

Stand in a defective turret detector
Unlocked 12 Jun, 2018 @ 3:48am

No Hard Feelings

Save a turret from redemption
Unlocked 2 Dec, 2017 @ 3:48am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 10 Aug, 2018 @ 1:23am

Ship Overboard

Discover the missing experiment
Unlocked 15 Aug, 2018 @ 10:20am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 15 Aug, 2018 @ 10:20am

Portrait of a Lady

Find a hidden portrait
Unlocked 7 Jun, 2018 @ 1:40am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 25 May, 2018 @ 7:30am

Smash TV

Break 11 test chamber monitors
Unlocked 12 Jul, 2018 @ 6:46am

High Five

Celebrate your cooperative calibration success
Unlocked 2 Dec, 2017 @ 3:24am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 12 Jun, 2018 @ 4:08am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 12 Jun, 2018 @ 4:49am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 12 Jun, 2018 @ 5:57am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 2 Jul, 2018 @ 4:56am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 2 Jul, 2018 @ 6:13am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 9 Aug, 2018 @ 11:41am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 12 Jun, 2018 @ 6:20am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 12 Jun, 2018 @ 5:34am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 12 Jun, 2018 @ 4:52am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 2 Jul, 2018 @ 6:30am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 12 Jun, 2018 @ 4:09am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 4 Jul, 2018 @ 8:35am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 12 Jun, 2018 @ 4:16am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 4 Jul, 2018 @ 10:54am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 4 Jul, 2018 @ 9:43am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 9 Aug, 2018 @ 11:57am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 5 Jul, 2018 @ 9:23am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 2 Jul, 2018 @ 5:00am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 4 Jul, 2018 @ 9:37am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 14 Aug, 2018 @ 11:27am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 9 Aug, 2018 @ 11:37am