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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 17 Jan, 2022 @ 8:51am

You Monster

Reunite with GLaDOS
Unlocked 17 Jan, 2022 @ 9:51am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 17 Jan, 2022 @ 11:25am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 17 Jan, 2022 @ 12:15pm

SaBOTour

Make a break for it
Unlocked 14 Jan, 2023 @ 2:01pm

Stalemate Associate

Press the button!
Unlocked 14 Jan, 2023 @ 2:42pm

Tater Tote

Carry science forward
Unlocked 14 Jan, 2023 @ 3:45pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 14 Jan, 2023 @ 3:21pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 15 Jan, 2023 @ 8:41am

White Out

Complete the first Conversion Gel test
Unlocked 15 Jan, 2023 @ 9:09am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 15 Jan, 2023 @ 10:49am

Dual Pit Experiment

Do the same test twice
Unlocked 15 Jan, 2023 @ 10:01am

The Part Where He Kills You

This is that part
Unlocked 15 Jan, 2023 @ 11:04am

Lunacy

That just happened
Unlocked 15 Jan, 2023 @ 11:41am

Drop Box

Place a cube on a button without touching the cube
Unlocked 15 Jan, 2023 @ 3:41pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 15 Jan, 2023 @ 3:50pm

Pit Boss

Show that pit who's boss
Unlocked 16 Jan, 2023 @ 2:51pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 17 Jan, 2022 @ 11:50am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 15 Jan, 2023 @ 3:40pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 16 Jan, 2023 @ 2:59pm

Good Listener

Take GLaDOS' escape advice
Unlocked 14 Jan, 2023 @ 2:01pm

Scanned Alone

Stand in a defective turret detector
Unlocked 16 Jan, 2023 @ 3:05pm

No Hard Feelings

Save a turret from redemption
Unlocked 16 Jan, 2023 @ 3:02pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 19 Jan, 2023 @ 1:47pm

Ship Overboard

Discover the missing experiment
Unlocked 18 Jan, 2023 @ 3:41pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 18 Jan, 2023 @ 3:50pm

Portrait of a Lady

Find a hidden portrait
Unlocked 18 Jan, 2023 @ 3:56pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 15 Jan, 2023 @ 3:59pm

Smash TV

Break 11 test chamber monitors
Unlocked 19 Jan, 2023 @ 12:42pm

High Five

Celebrate your cooperative calibration success
Unlocked 12 Jan, 2022 @ 1:43pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 12 Jan, 2022 @ 2:05pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 12 Jan, 2022 @ 2:47pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 16 Jan, 2022 @ 12:36pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 16 Jan, 2022 @ 1:38pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 16 Jan, 2022 @ 2:49pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 26 Mar, 2023 @ 12:07pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 16 Jan, 2022 @ 2:47pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 25 Jan, 2023 @ 10:56am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 14 Mar, 2023 @ 2:44pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 14 Mar, 2023 @ 2:57pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 14 Mar, 2023 @ 2:01pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 30 Nov, 2022 @ 10:27am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 14 Dec, 2022 @ 7:53am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 14 Mar, 2023 @ 2:41pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 14 Mar, 2023 @ 3:01pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 23 May, 2023 @ 12:29pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 23 May, 2023 @ 12:15pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 26 Mar, 2023 @ 11:52am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 25 Jan, 2023 @ 9:54am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 23 May, 2023 @ 12:35pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 26 Mar, 2023 @ 11:43am