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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 4 Jul, 2023 @ 9:26am

You Monster

Reunite with GLaDOS
Unlocked 4 Jul, 2023 @ 9:40am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 4 Jul, 2023 @ 9:43am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 4 Jul, 2023 @ 10:07am

SaBOTour

Make a break for it
Unlocked 4 Jul, 2023 @ 10:27am

Stalemate Associate

Press the button!
Unlocked 4 Jul, 2023 @ 10:47am

Tater Tote

Carry science forward
Unlocked 4 Jul, 2023 @ 12:18pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 4 Jul, 2023 @ 12:10pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 4 Jul, 2023 @ 12:26pm

White Out

Complete the first Conversion Gel test
Unlocked 4 Jul, 2023 @ 12:33pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 4 Jul, 2023 @ 1:20pm

Dual Pit Experiment

Do the same test twice
Unlocked 4 Jul, 2023 @ 12:50pm

The Part Where He Kills You

This is that part
Unlocked 4 Jul, 2023 @ 1:35pm

Lunacy

That just happened
Unlocked 4 Jul, 2023 @ 1:56pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 1 Jul, 2023 @ 4:55am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 14 Nov, 2023 @ 7:43am

Pit Boss

Show that pit who's boss
Unlocked 4 Jul, 2023 @ 1:38pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 4 Jul, 2023 @ 9:53am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 5 Jul, 2023 @ 2:41pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 14 Nov, 2023 @ 7:11am

Good Listener

Take GLaDOS' escape advice
Unlocked 4 Jul, 2023 @ 10:28am

Scanned Alone

Stand in a defective turret detector
Unlocked 8 Jul, 2023 @ 9:15am

No Hard Feelings

Save a turret from redemption
Unlocked 4 Jul, 2023 @ 10:36am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 4 Jul, 2023 @ 12:10pm

Ship Overboard

Discover the missing experiment
Unlocked 4 Jul, 2023 @ 12:15pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 14 Nov, 2023 @ 7:35am

Portrait of a Lady

Find a hidden portrait
Unlocked 14 Nov, 2023 @ 6:59am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 8 Oct, 2023 @ 5:20am

Smash TV

Break 11 test chamber monitors
Unlocked 14 Nov, 2023 @ 8:15am

High Five

Celebrate your cooperative calibration success
Unlocked 5 Jul, 2023 @ 6:56am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 5 Jul, 2023 @ 7:23am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 5 Jul, 2023 @ 8:02am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 5 Jul, 2023 @ 8:59am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 5 Jul, 2023 @ 9:48am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 5 Jul, 2023 @ 1:43pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 12 Nov, 2023 @ 7:22am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 5 Jul, 2023 @ 9:20am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 12 Nov, 2023 @ 7:26am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 28 Oct, 2023 @ 10:28am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 12 Nov, 2023 @ 7:34am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 12 Nov, 2023 @ 7:35am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 2 Dec, 2023 @ 1:32pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 10 Jul, 2023 @ 2:22pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 12 Nov, 2023 @ 8:15am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 27 Oct, 2023 @ 7:17am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 12 Nov, 2023 @ 7:45am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 2 Dec, 2023 @ 12:53pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 5 Jul, 2023 @ 12:44pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 5 Jul, 2023 @ 2:17pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 2 Dec, 2023 @ 2:28pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 12 Nov, 2023 @ 9:08am