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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Jan 12, 2023 @ 8:20am

You Monster

Reunite with GLaDOS
Unlocked Jan 14, 2023 @ 8:16am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Jan 14, 2023 @ 8:20am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Jan 14, 2023 @ 8:43am

SaBOTour

Make a break for it
Unlocked Jan 14, 2023 @ 9:24am

Stalemate Associate

Press the button!
Unlocked Jan 14, 2023 @ 9:47am

Tater Tote

Carry science forward
Unlocked Jan 14, 2023 @ 10:27am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Jan 14, 2023 @ 10:10am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Jan 14, 2023 @ 10:49am

White Out

Complete the first Conversion Gel test
Unlocked Jan 14, 2023 @ 11:09am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Jan 15, 2023 @ 9:11pm

Dual Pit Experiment

Do the same test twice
Unlocked Jan 14, 2023 @ 11:39am

The Part Where He Kills You

This is that part
Unlocked Jan 15, 2023 @ 9:30pm

Lunacy

That just happened
Unlocked Jan 15, 2023 @ 9:50pm

Drop Box

Place a cube on a button without touching the cube
Unlocked Jan 15, 2023 @ 10:48pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Jan 15, 2023 @ 10:17pm

Pit Boss

Show that pit who's boss
Unlocked Jan 15, 2023 @ 10:32pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Jan 14, 2023 @ 8:32am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Jan 15, 2023 @ 10:30pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Jan 15, 2023 @ 10:52pm

Good Listener

Take GLaDOS' escape advice
Unlocked Jan 14, 2023 @ 9:25am

Scanned Alone

Stand in a defective turret detector
Unlocked Jan 14, 2023 @ 9:34am

No Hard Feelings

Save a turret from redemption
Unlocked Jan 15, 2023 @ 11:02pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Jan 15, 2023 @ 11:36pm

Ship Overboard

Discover the missing experiment
Unlocked Jan 15, 2023 @ 11:40pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked Jan 15, 2023 @ 11:40pm

Portrait of a Lady

Find a hidden portrait
Unlocked Jan 15, 2023 @ 11:47pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Jan 15, 2023 @ 10:08pm

Smash TV

Break 11 test chamber monitors
Unlocked Jan 16, 2023 @ 12:38am

High Five

Celebrate your cooperative calibration success
Unlocked Nov 23, 2022 @ 7:33pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Nov 23, 2022 @ 7:52pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Nov 26, 2022 @ 3:30pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Jan 13, 2023 @ 6:45pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Jan 16, 2023 @ 9:52pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Jan 16, 2023 @ 10:51pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Jan 16, 2023 @ 8:30pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Jan 13, 2023 @ 7:24pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Jan 13, 2023 @ 6:19pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Jan 16, 2023 @ 11:22pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Jan 16, 2023 @ 9:50pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Jan 13, 2023 @ 6:09pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Jan 17, 2023 @ 12:35am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Jan 13, 2023 @ 5:17pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Jan 16, 2023 @ 11:19pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Nov 26, 2022 @ 3:19pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Jan 13, 2023 @ 5:56pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Jan 17, 2023 @ 12:16am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Jan 16, 2023 @ 9:58pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Jan 13, 2023 @ 5:43pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Jan 16, 2023 @ 3:09am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Jan 16, 2023 @ 11:29pm