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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Jul 15, 2021 @ 10:59pm

You Monster

Reunite with GLaDOS
Unlocked Jul 15, 2021 @ 11:20pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Jul 15, 2021 @ 11:25pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Jul 21, 2021 @ 7:36pm

SaBOTour

Make a break for it
Unlocked Jul 21, 2021 @ 9:05pm

Stalemate Associate

Press the button!
Unlocked Jul 21, 2021 @ 11:14pm

Tater Tote

Carry science forward
Unlocked Jul 22, 2021 @ 12:29am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Jul 21, 2021 @ 11:56pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked Jul 22, 2021 @ 12:53am

White Out

Complete the first Conversion Gel test
Unlocked Jul 22, 2021 @ 1:18am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Jul 22, 2021 @ 1:13pm

Dual Pit Experiment

Do the same test twice
Unlocked Jul 22, 2021 @ 2:07am

The Part Where He Kills You

This is that part
Unlocked Jul 22, 2021 @ 1:25pm

Lunacy

That just happened
Unlocked Jul 22, 2021 @ 1:56pm

Drop Box

Place a cube on a button without touching the cube
Unlocked Jul 22, 2021 @ 2:15pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Jul 22, 2021 @ 7:31pm

Pit Boss

Show that pit who's boss
Unlocked Jul 22, 2021 @ 1:26pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Jul 21, 2021 @ 7:12pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Jul 22, 2021 @ 7:37pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Jul 22, 2021 @ 2:21pm

Good Listener

Take GLaDOS' escape advice
Unlocked Jul 21, 2021 @ 9:06pm

Scanned Alone

Stand in a defective turret detector
Unlocked Jul 21, 2021 @ 10:57pm

No Hard Feelings

Save a turret from redemption
Unlocked Jul 21, 2021 @ 10:45pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Jul 22, 2021 @ 12:13am

Ship Overboard

Discover the missing experiment
Unlocked Jul 22, 2021 @ 12:25am

Door Prize

Examine all the vitrified test chamber doors
Unlocked Jul 22, 2021 @ 12:25am

Portrait of a Lady

Find a hidden portrait
Unlocked Jul 22, 2021 @ 7:49pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Jul 22, 2021 @ 2:06am

Smash TV

Break 11 test chamber monitors
Unlocked Jul 22, 2021 @ 10:14pm

High Five

Celebrate your cooperative calibration success
Unlocked Jun 24, 2021 @ 7:50pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Jul 2, 2021 @ 1:13pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Jul 2, 2021 @ 2:20pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Jul 24, 2021 @ 5:07pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Jul 14, 2021 @ 2:07pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Jul 24, 2021 @ 5:07pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Jul 24, 2021 @ 6:20pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Jul 14, 2021 @ 1:26pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Jul 14, 2021 @ 1:54pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Jul 24, 2021 @ 6:23pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Jul 24, 2021 @ 6:32pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Jul 24, 2021 @ 5:37pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Jul 24, 2021 @ 8:20pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Jul 14, 2021 @ 1:53pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Jul 24, 2021 @ 5:52pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Jul 24, 2021 @ 7:59pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Jul 24, 2021 @ 7:41pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Jul 24, 2021 @ 7:32pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Jul 24, 2021 @ 7:51pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Jun 24, 2021 @ 6:06pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Jul 24, 2021 @ 5:36pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Jul 24, 2021 @ 7:57pm