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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 28 Jun, 2021 @ 2:29pm

You Monster

Reunite with GLaDOS
Unlocked 28 Jun, 2021 @ 3:06pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 28 Jun, 2021 @ 3:12pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 28 Jun, 2021 @ 4:41pm

SaBOTour

Make a break for it
Unlocked 20 Feb, 2022 @ 2:09pm

Stalemate Associate

Press the button!
Unlocked 20 Feb, 2022 @ 2:44pm

Tater Tote

Carry science forward
Unlocked 21 Feb, 2022 @ 4:40pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 21 Feb, 2022 @ 3:09pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 22 Feb, 2022 @ 2:22pm

White Out

Complete the first Conversion Gel test
Unlocked 22 Feb, 2022 @ 2:43pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 23 Feb, 2022 @ 10:38am

Dual Pit Experiment

Do the same test twice
Unlocked 22 Feb, 2022 @ 5:14pm

The Part Where He Kills You

This is that part
Unlocked 28 Feb, 2022 @ 11:05am

Lunacy

That just happened
Unlocked 28 Feb, 2022 @ 5:34pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 5 Apr, 2022 @ 12:56pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 20 Jul, 2022 @ 6:31pm

Pit Boss

Show that pit who's boss
Unlocked 19 Jul, 2022 @ 7:55am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 10 Apr, 2022 @ 11:21am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 20 Feb, 2022 @ 12:17pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 19 Jul, 2022 @ 6:28am

Good Listener

Take GLaDOS' escape advice
Unlocked 17 Mar, 2022 @ 10:36am

Scanned Alone

Stand in a defective turret detector
Unlocked 20 Feb, 2022 @ 2:26pm

No Hard Feelings

Save a turret from redemption
Unlocked 20 Feb, 2022 @ 2:22pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 17 Mar, 2022 @ 8:12pm

Ship Overboard

Discover the missing experiment
Unlocked 19 Jul, 2022 @ 7:22am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 19 Jul, 2022 @ 7:21am

Portrait of a Lady

Find a hidden portrait
Unlocked 19 Jul, 2022 @ 6:34am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 19 Jul, 2022 @ 7:50am

Smash TV

Break 11 test chamber monitors
Unlocked 17 Mar, 2022 @ 10:13am

High Five

Celebrate your cooperative calibration success
Unlocked 13 Feb, 2022 @ 9:50pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 13 Feb, 2022 @ 10:21pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 13 Feb, 2022 @ 11:14pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 14 Feb, 2022 @ 7:16pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 14 Feb, 2022 @ 8:25pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 21 Mar, 2022 @ 9:10pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 25 Jul, 2022 @ 6:19pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 14 Feb, 2022 @ 7:41pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 25 Jul, 2022 @ 4:52pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 25 Jul, 2022 @ 5:15pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 25 Jul, 2022 @ 5:07pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 23 Apr, 2022 @ 10:14pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 15 Jun, 2022 @ 9:46am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 13 Feb, 2022 @ 9:52pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 25 Jul, 2022 @ 5:51pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 2 Aug, 2022 @ 3:05pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 2 Aug, 2022 @ 2:56pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 6 Nov, 2022 @ 6:18am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 23 Apr, 2022 @ 10:20pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 25 Jul, 2022 @ 4:50pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 29 Jul, 2022 @ 12:04pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 25 Jul, 2022 @ 6:06pm