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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 18 Jan, 2018 @ 9:22am

You Monster

Reunite with GLaDOS
Unlocked 18 Jan, 2018 @ 9:37am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 18 Jan, 2018 @ 9:40am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 18 Jan, 2018 @ 10:15am

SaBOTour

Make a break for it
Unlocked 8 Sep, 2019 @ 1:22am

Stalemate Associate

Press the button!
Unlocked 8 Sep, 2019 @ 1:22am

Tater Tote

Carry science forward
Unlocked 8 Sep, 2019 @ 2:06am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 8 Sep, 2019 @ 1:53am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 8 Sep, 2019 @ 2:19am

White Out

Complete the first Conversion Gel test
Unlocked 8 Sep, 2019 @ 2:41am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 8 Sep, 2019 @ 6:42pm

Dual Pit Experiment

Do the same test twice
Unlocked 8 Sep, 2019 @ 4:59pm

The Part Where He Kills You

This is that part
Unlocked 10 Sep, 2019 @ 8:18pm

Lunacy

That just happened
Unlocked 10 Sep, 2019 @ 8:37pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 12 Sep, 2019 @ 5:54pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 27 Feb, 2021 @ 2:31pm

Pit Boss

Show that pit who's boss
Unlocked 10 Sep, 2019 @ 8:22pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 18 Jan, 2018 @ 10:01am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 8 Jul, 2022 @ 11:27pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 18 Jan, 2018 @ 9:54am

Good Listener

Take GLaDOS' escape advice
Unlocked 8 Sep, 2019 @ 1:22am

Scanned Alone

Stand in a defective turret detector
Unlocked 8 Sep, 2019 @ 1:22am

No Hard Feelings

Save a turret from redemption
Unlocked 8 Sep, 2019 @ 1:22am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 8 Jul, 2022 @ 9:10pm

Ship Overboard

Discover the missing experiment
Unlocked 8 Jul, 2022 @ 9:16pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 8 Jul, 2022 @ 9:16pm

Portrait of a Lady

Find a hidden portrait
Unlocked 8 Jul, 2022 @ 9:23pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 21 Jun, 2022 @ 9:36pm

Smash TV

Break 11 test chamber monitors
Unlocked 9 Jul, 2022 @ 12:28am

High Five

Celebrate your cooperative calibration success
Unlocked 8 Nov, 2019 @ 2:37pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 8 Nov, 2019 @ 2:53pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 8 Nov, 2019 @ 3:28pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 8 Nov, 2019 @ 4:32pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 8 Nov, 2019 @ 5:31pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 8 Nov, 2019 @ 6:50pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 22 Jun, 2022 @ 12:04am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 8 Nov, 2019 @ 5:12pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 21 Jun, 2022 @ 10:36pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 22 Jun, 2022 @ 1:28am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 22 Jun, 2022 @ 1:14am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 21 Jun, 2022 @ 9:55pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 22 Jun, 2022 @ 1:40am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 8 Nov, 2019 @ 3:00pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 21 Jun, 2022 @ 10:32pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 22 Jun, 2022 @ 12:23am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 22 Jun, 2022 @ 1:22am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 22 Jun, 2022 @ 12:58am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 22 Jun, 2022 @ 1:25am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 22 Jun, 2022 @ 12:27am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 22 Jun, 2022 @ 1:40am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 22 Jun, 2022 @ 12:16am