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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Aug 20, 2021 @ 10:33am

You Monster

Reunite with GLaDOS
Unlocked Aug 20, 2021 @ 10:50am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Aug 20, 2021 @ 10:53am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Aug 20, 2021 @ 11:20am

SaBOTour

Make a break for it
Unlocked Aug 20, 2021 @ 3:10pm

Stalemate Associate

Press the button!
Unlocked Aug 21, 2021 @ 7:51am

Tater Tote

Carry science forward
Unlocked Aug 21, 2021 @ 2:46pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Aug 21, 2021 @ 8:27am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Aug 24, 2021 @ 4:32am

White Out

Complete the first Conversion Gel test
Unlocked Aug 24, 2021 @ 4:45am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Aug 24, 2021 @ 7:35am

Dual Pit Experiment

Do the same test twice
Unlocked Aug 24, 2021 @ 5:13am

The Part Where He Kills You

This is that part
Unlocked Aug 24, 2021 @ 7:53am

Lunacy

That just happened
Unlocked Aug 24, 2021 @ 8:16am

Drop Box

Place a cube on a button without touching the cube
Unlocked Oct 24, 2021 @ 4:06am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Oct 24, 2021 @ 4:27am

Pit Boss

Show that pit who's boss
Unlocked Oct 24, 2021 @ 6:09am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Oct 24, 2021 @ 4:13am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Oct 24, 2021 @ 6:22am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Oct 24, 2021 @ 4:08am

Good Listener

Take GLaDOS' escape advice
Unlocked Aug 20, 2021 @ 3:10pm

Scanned Alone

Stand in a defective turret detector
Unlocked Aug 21, 2021 @ 7:38am

No Hard Feelings

Save a turret from redemption
Unlocked Oct 24, 2021 @ 2:31pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Oct 24, 2021 @ 11:57am

Ship Overboard

Discover the missing experiment
Unlocked Oct 24, 2021 @ 12:03pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked Oct 24, 2021 @ 12:03pm

Portrait of a Lady

Find a hidden portrait
Unlocked Oct 24, 2021 @ 6:03am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Oct 24, 2021 @ 4:33am

Smash TV

Break 11 test chamber monitors
Unlocked Oct 24, 2021 @ 5:30am

High Five

Celebrate your cooperative calibration success
Unlocked Aug 16, 2021 @ 2:32pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Aug 16, 2021 @ 2:57pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Aug 17, 2021 @ 2:22pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Aug 18, 2021 @ 12:57pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Aug 18, 2021 @ 2:12pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Aug 19, 2021 @ 1:11pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked May 17 @ 4:34am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Aug 18, 2021 @ 1:20pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Aug 18, 2021 @ 12:41pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Aug 17, 2021 @ 2:42pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Oct 24, 2021 @ 2:23pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Oct 24, 2021 @ 2:25pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Apr 8, 2022 @ 2:35pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Aug 18, 2021 @ 1:00pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked May 17 @ 4:15am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Apr 6, 2022 @ 1:39pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked May 17 @ 4:54am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked May 16 @ 10:09am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Aug 19, 2021 @ 11:16am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Aug 19, 2021 @ 11:28am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked May 18 @ 3:32pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked May 17 @ 4:25am