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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Jun 16, 2019 @ 12:57pm

You Monster

Reunite with GLaDOS
Unlocked Jun 18, 2019 @ 12:06pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Jun 18, 2019 @ 12:10pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Jun 22, 2019 @ 10:56am

SaBOTour

Make a break for it
Unlocked Dec 3, 2019 @ 2:55pm

Stalemate Associate

Press the button!
Unlocked Dec 3, 2019 @ 3:21pm

Tater Tote

Carry science forward
Unlocked Jan 31, 2023 @ 6:05pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Jan 31, 2023 @ 5:39pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked Jan 31, 2023 @ 6:18pm

White Out

Complete the first Conversion Gel test
Unlocked Jan 31, 2023 @ 6:27pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Jan 31, 2023 @ 7:23pm

Dual Pit Experiment

Do the same test twice
Unlocked Jan 31, 2023 @ 6:50pm

The Part Where He Kills You

This is that part
Unlocked Feb 1, 2023 @ 1:29pm

Lunacy

That just happened
Unlocked Feb 1, 2023 @ 1:50pm

Drop Box

Place a cube on a button without touching the cube
Unlocked Jan 28, 2023 @ 11:29am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Feb 1, 2023 @ 2:11pm

Pit Boss

Show that pit who's boss
Unlocked Feb 1, 2023 @ 2:53pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Feb 1, 2023 @ 3:10pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Feb 1, 2023 @ 2:21pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Feb 1, 2023 @ 2:23pm

Good Listener

Take GLaDOS' escape advice
Unlocked Feb 1, 2023 @ 3:15pm

Scanned Alone

Stand in a defective turret detector
Unlocked Dec 3, 2019 @ 3:10pm

No Hard Feelings

Save a turret from redemption
Unlocked Dec 3, 2019 @ 3:06pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Feb 1, 2023 @ 3:30pm

Ship Overboard

Discover the missing experiment
Unlocked Feb 1, 2023 @ 2:44pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked Feb 1, 2023 @ 2:45pm

Portrait of a Lady

Find a hidden portrait
Unlocked Feb 1, 2023 @ 2:59pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Feb 1, 2023 @ 2:51pm

Smash TV

Break 11 test chamber monitors
Unlocked Feb 1, 2023 @ 4:43pm

High Five

Celebrate your cooperative calibration success
Unlocked Apr 2, 2020 @ 2:23pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Apr 2, 2020 @ 2:53pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Jan 1, 2023 @ 5:16pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Jan 1, 2023 @ 6:30pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Jan 2, 2023 @ 6:52pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Jan 3, 2023 @ 3:35pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Aug 11, 2023 @ 4:50pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Jan 1, 2023 @ 6:47pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Feb 4, 2023 @ 8:26am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Feb 4, 2023 @ 8:37am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Feb 4, 2023 @ 8:32am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Jul 18, 2023 @ 12:10pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Feb 8, 2023 @ 7:04pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Apr 2, 2020 @ 3:02pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Aug 11, 2023 @ 5:03pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Jan 1, 2023 @ 6:58pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Aug 11, 2023 @ 5:15pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Aug 13, 2023 @ 7:29pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Aug 11, 2023 @ 5:02pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Feb 4, 2023 @ 7:52am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Jul 18, 2023 @ 12:11pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Aug 11, 2023 @ 5:50pm