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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 28 Jun, 2016 @ 1:01pm

You Monster

Reunite with GLaDOS
Unlocked 28 Jun, 2016 @ 1:15pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 28 Jun, 2016 @ 1:18pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 28 Jun, 2016 @ 11:36pm

SaBOTour

Make a break for it
Unlocked 28 Jun, 2016 @ 11:58pm

Stalemate Associate

Press the button!
Unlocked 29 Jun, 2016 @ 2:35am

Tater Tote

Carry science forward
Unlocked 29 Jun, 2016 @ 5:30am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 29 Jun, 2016 @ 4:21am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 29 Jun, 2016 @ 6:02am

White Out

Complete the first Conversion Gel test
Unlocked 29 Jun, 2016 @ 6:11am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 30 Jun, 2016 @ 4:39am

Dual Pit Experiment

Do the same test twice
Unlocked 29 Jun, 2016 @ 10:59am

The Part Where He Kills You

This is that part
Unlocked 30 Jun, 2016 @ 9:46am

Lunacy

That just happened
Unlocked 1 Jul, 2016 @ 2:48am

Drop Box

Place a cube on a button without touching the cube
Unlocked 2 Apr, 2017 @ 5:47am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 28 Nov, 2019 @ 11:29am

Pit Boss

Show that pit who's boss
Unlocked 30 Jun, 2016 @ 9:47am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 28 Jun, 2016 @ 11:27pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 28 Nov, 2019 @ 11:23pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 28 Nov, 2019 @ 11:12am

Good Listener

Take GLaDOS' escape advice
Unlocked 28 Jun, 2016 @ 11:59pm

Scanned Alone

Stand in a defective turret detector
Unlocked 28 Nov, 2019 @ 11:34pm

No Hard Feelings

Save a turret from redemption
Unlocked 29 Jun, 2016 @ 2:22am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 29 Nov, 2019 @ 12:24am

Ship Overboard

Discover the missing experiment
Unlocked 29 Nov, 2019 @ 12:28am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 29 Nov, 2019 @ 12:28am

Portrait of a Lady

Find a hidden portrait
Unlocked 29 Nov, 2019 @ 12:34am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 29 Nov, 2019 @ 1:03am

Smash TV

Break 11 test chamber monitors
Unlocked 29 Nov, 2019 @ 1:41am

High Five

Celebrate your cooperative calibration success
Unlocked 24 Jun, 2017 @ 1:57pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 24 Jun, 2017 @ 2:33pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 25 Jun, 2017 @ 12:28pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 30 Nov, 2019 @ 12:15am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 14 Dec, 2019 @ 4:18am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 14 Dec, 2019 @ 5:20am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 15 Dec, 2019 @ 1:11am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 14 Dec, 2019 @ 3:11am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 14 Dec, 2019 @ 3:14am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 15 Dec, 2019 @ 1:30am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 15 Dec, 2019 @ 7:24am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 14 Dec, 2019 @ 5:29am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 22 Dec, 2019 @ 4:05am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 24 Jun, 2017 @ 2:46pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 15 Dec, 2019 @ 2:16am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 15 Dec, 2019 @ 1:58am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 15 Dec, 2019 @ 1:53am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 17 Dec, 2019 @ 12:31pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 14 Dec, 2019 @ 5:35am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 30 Nov, 2019 @ 1:05am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 21 Dec, 2019 @ 7:50am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 14 Dec, 2019 @ 5:39am