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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 26 Nov, 2016 @ 12:12pm

You Monster

Reunite with GLaDOS
Unlocked 26 Nov, 2016 @ 12:32pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 26 Nov, 2016 @ 12:36pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 26 Nov, 2016 @ 1:09pm

SaBOTour

Make a break for it
Unlocked 26 Nov, 2016 @ 1:53pm

Stalemate Associate

Press the button!
Unlocked 26 Nov, 2016 @ 2:20pm

Tater Tote

Carry science forward
Unlocked 26 Nov, 2016 @ 3:34pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 26 Nov, 2016 @ 3:02pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 26 Nov, 2016 @ 3:48pm

White Out

Complete the first Conversion Gel test
Unlocked 26 Nov, 2016 @ 4:08pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 26 Nov, 2016 @ 5:17pm

Dual Pit Experiment

Do the same test twice
Unlocked 26 Nov, 2016 @ 4:31pm

The Part Where He Kills You

This is that part
Unlocked 26 Nov, 2016 @ 5:37pm

Lunacy

That just happened
Unlocked 26 Nov, 2016 @ 6:02pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 17 Mar, 2019 @ 1:14pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 17 Mar, 2019 @ 2:45pm

Pit Boss

Show that pit who's boss
Unlocked 7 May @ 10:31pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 26 Nov, 2016 @ 12:51pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 15 May @ 3:35am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 15 May @ 3:49am

Good Listener

Take GLaDOS' escape advice
Unlocked 17 Mar, 2019 @ 3:46pm

Scanned Alone

Stand in a defective turret detector
Unlocked 26 Nov, 2016 @ 2:07pm

No Hard Feelings

Save a turret from redemption
Unlocked 26 Nov, 2016 @ 2:02pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 12 Jan, 2022 @ 4:27pm

Ship Overboard

Discover the missing experiment
Unlocked 12 Jan, 2022 @ 4:45pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 12 Jan, 2022 @ 4:44pm

Portrait of a Lady

Find a hidden portrait
Unlocked 12 Jan, 2022 @ 5:35pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 7 May @ 8:41pm

Smash TV

Break 11 test chamber monitors
Unlocked 7 May @ 10:16pm

High Five

Celebrate your cooperative calibration success
Unlocked 26 Nov, 2016 @ 6:27pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 26 Nov, 2016 @ 6:48pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 26 Nov, 2016 @ 7:32pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 26 Nov, 2016 @ 8:25pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 26 Nov, 2016 @ 9:33pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 1 Dec, 2016 @ 5:48pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 9 May @ 5:40pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 26 Nov, 2016 @ 8:59pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 16 Jun, 2022 @ 4:06pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 16 Jun, 2022 @ 4:39pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 9 May @ 5:13pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 7 May @ 5:46pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 12 Jan, 2022 @ 1:46pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 26 Nov, 2016 @ 9:06pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 9 May @ 6:17pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 9 May @ 4:19pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 9 May @ 5:30pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 9 May @ 7:38pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 28 Feb, 2022 @ 2:52pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 7 May @ 8:00pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 7 May @ 5:27pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 9 May @ 6:26pm