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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Oct 7, 2022 @ 7:51pm

You Monster

Reunite with GLaDOS
Unlocked Oct 7, 2022 @ 8:16pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Oct 7, 2022 @ 8:20pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Oct 7, 2022 @ 8:52pm

SaBOTour

Make a break for it
Unlocked Oct 8, 2022 @ 8:19am

Stalemate Associate

Press the button!
Unlocked Oct 8, 2022 @ 8:47am

Tater Tote

Carry science forward
Unlocked Oct 8, 2022 @ 9:42am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Oct 8, 2022 @ 9:24am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Oct 8, 2022 @ 10:06am

White Out

Complete the first Conversion Gel test
Unlocked Oct 8, 2022 @ 10:27am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Oct 8, 2022 @ 2:19pm

Dual Pit Experiment

Do the same test twice
Unlocked Oct 8, 2022 @ 11:00am

The Part Where He Kills You

This is that part
Unlocked Oct 8, 2022 @ 2:27pm

Lunacy

That just happened
Unlocked Oct 8, 2022 @ 2:54pm

Drop Box

Place a cube on a button without touching the cube
Unlocked Oct 7, 2022 @ 8:31pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Oct 9, 2022 @ 5:26pm

Pit Boss

Show that pit who's boss
Unlocked Oct 8, 2022 @ 2:29pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Oct 7, 2022 @ 8:34pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Oct 8, 2022 @ 7:39am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Oct 9, 2022 @ 5:30pm

Good Listener

Take GLaDOS' escape advice
Unlocked Oct 8, 2022 @ 8:21am

Scanned Alone

Stand in a defective turret detector
Unlocked Oct 8, 2022 @ 8:34am

No Hard Feelings

Save a turret from redemption
Unlocked Oct 8, 2022 @ 8:32am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Oct 9, 2022 @ 5:53pm

Ship Overboard

Discover the missing experiment
Unlocked Oct 8, 2022 @ 9:39am

Door Prize

Examine all the vitrified test chamber doors
Unlocked Oct 9, 2022 @ 5:58pm

Portrait of a Lady

Find a hidden portrait
Unlocked Oct 8, 2022 @ 10:13am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Oct 8, 2022 @ 2:41pm

Smash TV

Break 11 test chamber monitors
Unlocked Oct 8, 2022 @ 2:25pm

High Five

Celebrate your cooperative calibration success
Unlocked Oct 9, 2022 @ 1:18pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Oct 9, 2022 @ 1:37pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Oct 9, 2022 @ 2:24pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Oct 9, 2022 @ 3:24pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Oct 9, 2022 @ 4:48pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Oct 10, 2022 @ 11:08pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Oct 16, 2022 @ 9:05pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Oct 9, 2022 @ 4:09pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Oct 9, 2022 @ 4:40pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Oct 9, 2022 @ 5:00pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Oct 10, 2022 @ 11:24pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Oct 9, 2022 @ 3:26pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Oct 17, 2022 @ 10:52pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Oct 9, 2022 @ 1:46pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Oct 11, 2022 @ 12:05am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Oct 10, 2022 @ 11:32pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Oct 16, 2022 @ 8:50pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Oct 16, 2022 @ 10:54pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Oct 9, 2022 @ 5:02pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Oct 8, 2022 @ 3:28pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Oct 10, 2022 @ 11:31pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Oct 10, 2022 @ 10:33pm