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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Jun 8, 2022 @ 11:50pm

You Monster

Reunite with GLaDOS
Unlocked Jun 9, 2022 @ 12:44am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Jun 9, 2022 @ 12:50am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Jun 9, 2022 @ 1:54am

SaBOTour

Make a break for it
Unlocked Jun 9, 2022 @ 2:40am

Stalemate Associate

Press the button!
Unlocked Jun 9, 2022 @ 3:35am

Tater Tote

Carry science forward
Unlocked Jun 9, 2022 @ 5:22am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Jun 9, 2022 @ 4:17am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Jun 9, 2022 @ 6:12am

White Out

Complete the first Conversion Gel test
Unlocked Jun 9, 2022 @ 6:25am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Jun 9, 2022 @ 8:27am

Dual Pit Experiment

Do the same test twice
Unlocked Jun 9, 2022 @ 7:13am

The Part Where He Kills You

This is that part
Unlocked Jun 9, 2022 @ 9:53am

Lunacy

That just happened
Unlocked Jun 9, 2022 @ 10:23am

Drop Box

Place a cube on a button without touching the cube
Unlocked Jun 9, 2022 @ 1:12am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Jun 9, 2022 @ 1:38am

Pit Boss

Show that pit who's boss
Unlocked Jun 9, 2022 @ 9:54am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Jun 9, 2022 @ 1:19am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Jun 9, 2022 @ 2:09am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Jun 9, 2022 @ 1:10am

Good Listener

Take GLaDOS' escape advice
Unlocked Jun 9, 2022 @ 2:40am

Scanned Alone

Stand in a defective turret detector
Unlocked Jun 9, 2022 @ 3:02am

No Hard Feelings

Save a turret from redemption
Unlocked Jun 9, 2022 @ 2:53am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Jun 9, 2022 @ 5:15am

Ship Overboard

Discover the missing experiment
Unlocked Jun 9, 2022 @ 5:17am

Door Prize

Examine all the vitrified test chamber doors
Unlocked Jun 9, 2022 @ 4:29am

Portrait of a Lady

Find a hidden portrait
Unlocked Jun 9, 2022 @ 5:55am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Jun 9, 2022 @ 7:09am

Smash TV

Break 11 test chamber monitors
Unlocked Jun 9, 2022 @ 9:01am

High Five

Celebrate your cooperative calibration success
Unlocked Jun 30, 2022 @ 10:29am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Jun 30, 2022 @ 10:58am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Jun 30, 2022 @ 11:58am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Jul 4, 2022 @ 6:24am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Jul 5, 2022 @ 5:47am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Jul 15, 2022 @ 7:10am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Jul 15, 2022 @ 7:38am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Jul 5, 2022 @ 4:56am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Jul 4, 2022 @ 6:02am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Jul 4, 2022 @ 5:08am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Jul 5, 2022 @ 5:45am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Jul 4, 2022 @ 5:04am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Dec 23, 2022 @ 8:02pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Jul 5, 2022 @ 4:37am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Jul 4, 2022 @ 5:34am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Jul 15, 2022 @ 7:18am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Dec 23, 2022 @ 9:53pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Nov 20, 2023 @ 5:17pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Jul 15, 2022 @ 7:24am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Jun 30, 2022 @ 10:47am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Dec 23, 2022 @ 8:02pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Nov 20, 2023 @ 2:49pm