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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 20 Jan, 2014 @ 8:37am

You Monster

Reunite with GLaDOS
Unlocked 21 Jan, 2014 @ 12:49am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 21 Jan, 2014 @ 12:53am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 21 Jan, 2014 @ 1:14am

SaBOTour

Make a break for it
Unlocked 24 Jan, 2014 @ 7:22pm

Stalemate Associate

Press the button!
Unlocked 25 Jan, 2014 @ 7:35pm

Tater Tote

Carry science forward
Unlocked 25 Jan, 2014 @ 9:05pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 25 Jan, 2014 @ 8:29pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 25 Jan, 2014 @ 9:13pm

White Out

Complete the first Conversion Gel test
Unlocked 27 Jan, 2014 @ 9:48am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 27 Jan, 2014 @ 10:35am

Dual Pit Experiment

Do the same test twice
Unlocked 27 Jan, 2014 @ 10:06am

The Part Where He Kills You

This is that part
Unlocked 27 Jan, 2014 @ 10:40am

Lunacy

That just happened
Unlocked 28 Jan, 2014 @ 2:30am

Drop Box

Place a cube on a button without touching the cube
Unlocked 21 Jan, 2014 @ 1:00am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 30 Jan, 2014 @ 4:25am

Pit Boss

Show that pit who's boss
Unlocked 20 Jul, 2022 @ 1:45am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 21 Jan, 2014 @ 1:03am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 19 Jul, 2022 @ 1:25am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 19 Jul, 2022 @ 1:34am

Good Listener

Take GLaDOS' escape advice
Unlocked 27 Jan, 2014 @ 9:13am

Scanned Alone

Stand in a defective turret detector
Unlocked 19 Jul, 2022 @ 5:50am

No Hard Feelings

Save a turret from redemption
Unlocked 25 Jan, 2014 @ 2:38am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 30 Jan, 2014 @ 11:40pm

Ship Overboard

Discover the missing experiment
Unlocked 19 Jul, 2022 @ 6:26am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 19 Jul, 2022 @ 6:26am

Portrait of a Lady

Find a hidden portrait
Unlocked 25 Jan, 2014 @ 9:08pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 20 Jul, 2022 @ 12:35am

Smash TV

Break 11 test chamber monitors
Unlocked 20 Jul, 2022 @ 2:02am

High Five

Celebrate your cooperative calibration success
Unlocked 26 Dec, 2013 @ 8:57pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 26 Dec, 2013 @ 9:15pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 26 Dec, 2013 @ 9:51pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 27 Dec, 2013 @ 10:33pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 27 Dec, 2013 @ 11:30pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 28 Dec, 2013 @ 8:28pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 20 Jul, 2022 @ 4:19am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 27 Dec, 2013 @ 10:56pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 20 Jul, 2022 @ 4:44am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 20 Jul, 2022 @ 4:41am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 27 Dec, 2013 @ 11:34pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 27 Dec, 2013 @ 11:26pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 18 Jul, 2022 @ 10:39pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 26 Dec, 2013 @ 9:22pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 20 Jul, 2022 @ 4:38am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 20 Jul, 2022 @ 4:22am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 20 Jul, 2022 @ 4:24am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 20 Jul, 2022 @ 5:49am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 20 Jul, 2022 @ 4:28am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 20 Jul, 2022 @ 4:05am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 18 Jul, 2022 @ 10:44pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 20 Jul, 2022 @ 5:58am