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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 30 Jun, 2020 @ 12:14pm

You Monster

Reunite with GLaDOS
Unlocked 30 Jun, 2020 @ 12:43pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 30 Jun, 2020 @ 12:48pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 30 Jun, 2020 @ 1:34pm

SaBOTour

Make a break for it
Unlocked 1 Jul, 2020 @ 4:33am

Stalemate Associate

Press the button!
Unlocked 1 Jul, 2020 @ 4:59am

Tater Tote

Carry science forward
Unlocked 1 Jul, 2020 @ 10:14am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 1 Jul, 2020 @ 5:36am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 1 Jul, 2020 @ 10:42am

White Out

Complete the first Conversion Gel test
Unlocked 1 Jul, 2020 @ 11:09am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 2 Jul, 2020 @ 1:09am

Dual Pit Experiment

Do the same test twice
Unlocked 1 Jul, 2020 @ 11:48am

The Part Where He Kills You

This is that part
Unlocked 2 Jul, 2020 @ 1:18am

Lunacy

That just happened
Unlocked 2 Jul, 2020 @ 1:58am

Drop Box

Place a cube on a button without touching the cube
Unlocked 12 Jul, 2020 @ 3:01am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 14 Jul, 2020 @ 4:54am

Pit Boss

Show that pit who's boss
Unlocked 2 Jul, 2020 @ 1:19am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 14 Jul, 2020 @ 5:27am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 16 Jul, 2020 @ 5:23am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 30 Jul, 2020 @ 2:15am

Good Listener

Take GLaDOS' escape advice
Unlocked 1 Jul, 2020 @ 4:33am

Scanned Alone

Stand in a defective turret detector
Unlocked 30 Jul, 2020 @ 12:28pm

No Hard Feelings

Save a turret from redemption
Unlocked 1 Jul, 2020 @ 4:44am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 30 Jul, 2020 @ 1:37am

Ship Overboard

Discover the missing experiment
Unlocked 30 Jul, 2020 @ 1:41am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 30 Jul, 2020 @ 12:50pm

Portrait of a Lady

Find a hidden portrait
Unlocked 30 Jul, 2020 @ 1:51am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 14 Jul, 2020 @ 5:05am

Smash TV

Break 11 test chamber monitors
Unlocked 1 Aug, 2020 @ 2:28am

High Five

Celebrate your cooperative calibration success
Unlocked 11 Jul, 2020 @ 1:11pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 11 Jul, 2020 @ 1:37pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 12 Jul, 2020 @ 12:57pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 12 Jul, 2020 @ 2:00pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 16 Jul, 2020 @ 7:01am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 28 Jul, 2020 @ 1:26pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 29 Jul, 2020 @ 11:49am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 16 Jul, 2020 @ 6:18am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 12 Jul, 2020 @ 1:32pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 29 Jul, 2020 @ 12:00pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 29 Jul, 2020 @ 12:51pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 11 Jul, 2020 @ 1:50pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 1 Aug, 2020 @ 5:12am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 12 Jul, 2020 @ 6:38am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 30 Jul, 2020 @ 11:34am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 30 Jul, 2020 @ 11:43am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 30 Jul, 2020 @ 11:40am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 29 Jul, 2020 @ 12:46pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 16 Jul, 2020 @ 7:03am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 12 Jul, 2020 @ 6:24am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 28 Jul, 2020 @ 10:29am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 30 Jul, 2020 @ 11:57am