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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked May 3, 2022 @ 4:49am

You Monster

Reunite with GLaDOS
Unlocked May 4, 2022 @ 10:57am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked May 4, 2022 @ 11:08am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked May 7, 2022 @ 8:45am

SaBOTour

Make a break for it
Unlocked May 8, 2022 @ 8:57am

Stalemate Associate

Press the button!
Unlocked May 8, 2022 @ 9:38am

Tater Tote

Carry science forward
Unlocked May 9, 2022 @ 4:29am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked May 9, 2022 @ 4:00am

Stranger Than Friction

Master the Propulsion Gel
Unlocked May 10, 2022 @ 7:23am

White Out

Complete the first Conversion Gel test
Unlocked May 11, 2022 @ 4:30am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked May 12, 2022 @ 10:21am

Dual Pit Experiment

Do the same test twice
Unlocked May 11, 2022 @ 10:43am

The Part Where He Kills You

This is that part
Unlocked May 12, 2022 @ 10:34am

Lunacy

That just happened
Unlocked May 13, 2022 @ 3:26am

Drop Box

Place a cube on a button without touching the cube
Unlocked May 5, 2022 @ 4:21am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Apr 26, 2025 @ 1:19am

Pit Boss

Show that pit who's boss
Unlocked Jun 1, 2022 @ 4:32am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked May 28, 2022 @ 11:42pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked May 28, 2022 @ 11:37pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked May 28, 2022 @ 11:36pm

Good Listener

Take GLaDOS' escape advice
Unlocked May 8, 2022 @ 8:58am

Scanned Alone

Stand in a defective turret detector
Unlocked May 8, 2022 @ 9:22am

No Hard Feelings

Save a turret from redemption
Unlocked Jun 1, 2022 @ 2:18am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked May 8, 2025 @ 10:42am

Ship Overboard

Discover the missing experiment
Unlocked May 9, 2025 @ 4:12am

Door Prize

Examine all the vitrified test chamber doors
Unlocked May 9, 2025 @ 4:12am

Portrait of a Lady

Find a hidden portrait
Unlocked Apr 26, 2025 @ 1:03am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Jun 1, 2022 @ 4:44am

Smash TV

Break 11 test chamber monitors
Unlocked May 9, 2025 @ 10:40am

High Five

Celebrate your cooperative calibration success
Unlocked May 19, 2022 @ 4:38am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked May 19, 2022 @ 11:36am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked May 27, 2022 @ 11:40am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked May 29, 2022 @ 7:27am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Jun 2, 2022 @ 11:20am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Jun 7, 2022 @ 2:19am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Apr 24, 2025 @ 11:50am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Jun 2, 2022 @ 9:37am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Jun 2, 2022 @ 10:59am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked May 28, 2022 @ 4:10am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Apr 26, 2025 @ 12:45am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked May 28, 2022 @ 4:06am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Jul 16, 2022 @ 7:54am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Jun 2, 2022 @ 11:10am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Apr 26, 2025 @ 12:56am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Jul 15, 2022 @ 8:13am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked May 7, 2025 @ 9:03am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked May 9, 2025 @ 6:25am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Jul 18, 2022 @ 5:18am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked May 28, 2022 @ 4:30am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Mar 18, 2025 @ 10:30am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Apr 25, 2025 @ 10:19am