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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 3 Dec, 2013 @ 8:01am

You Monster

Reunite with GLaDOS
Unlocked 4 Dec, 2013 @ 8:41am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 15 Nov, 2014 @ 6:15am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 27 Sep, 2022 @ 1:50pm

SaBOTour

Make a break for it
Unlocked 27 Sep, 2022 @ 2:33pm

Stalemate Associate

Press the button!
Unlocked 27 Sep, 2022 @ 3:05pm

Tater Tote

Carry science forward
Unlocked 28 Sep, 2022 @ 2:44am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 28 Sep, 2022 @ 2:26am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 28 Sep, 2022 @ 3:05am

White Out

Complete the first Conversion Gel test
Unlocked 28 Sep, 2022 @ 3:23am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 28 Sep, 2022 @ 4:48am

Dual Pit Experiment

Do the same test twice
Unlocked 28 Sep, 2022 @ 3:56am

The Part Where He Kills You

This is that part
Unlocked 28 Sep, 2022 @ 4:58am

Lunacy

That just happened
Unlocked 28 Sep, 2022 @ 5:21am

Drop Box

Place a cube on a button without touching the cube
Unlocked 27 Sep, 2022 @ 1:10pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 28 Sep, 2022 @ 5:45am

Pit Boss

Show that pit who's boss
Unlocked 28 Sep, 2022 @ 5:48am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 28 Sep, 2022 @ 5:52am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 28 Sep, 2022 @ 5:54am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 28 Sep, 2022 @ 5:57am

Good Listener

Take GLaDOS' escape advice
Unlocked 28 Sep, 2022 @ 6:00am

Scanned Alone

Stand in a defective turret detector
Unlocked 27 Sep, 2022 @ 2:48pm

No Hard Feelings

Save a turret from redemption
Unlocked 27 Sep, 2022 @ 2:43pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 28 Sep, 2022 @ 6:05am

Ship Overboard

Discover the missing experiment
Unlocked 28 Sep, 2022 @ 6:08am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 28 Sep, 2022 @ 6:10am

Portrait of a Lady

Find a hidden portrait
Unlocked 28 Sep, 2022 @ 6:14am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 28 Sep, 2022 @ 6:21am

Smash TV

Break 11 test chamber monitors
Unlocked 28 Sep, 2022 @ 1:11pm

High Five

Celebrate your cooperative calibration success
Unlocked 3 Dec, 2013 @ 8:31am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 12 Oct, 2014 @ 8:04am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 10 Jan, 2017 @ 11:46am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 2 Jun, 2019 @ 2:46am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 28 Sep, 2022 @ 2:38pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 28 Sep, 2022 @ 3:27pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 29 Sep, 2022 @ 11:01am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 2 Jun, 2019 @ 3:19am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 2 Jun, 2019 @ 2:03am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 29 Sep, 2022 @ 8:30am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 29 Sep, 2022 @ 11:13am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 29 Sep, 2022 @ 8:31am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 28 Mar, 2023 @ 1:07pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 10 Jan, 2017 @ 12:07pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 29 Sep, 2022 @ 11:19am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 29 Sep, 2022 @ 8:27am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 29 Sep, 2022 @ 11:28am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 29 Sep, 2022 @ 12:04pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 29 Sep, 2022 @ 12:11pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 28 Sep, 2022 @ 1:48pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 10 Jan, 2017 @ 11:25am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 29 Sep, 2022 @ 12:15pm