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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 28 Jun, 2017 @ 11:02am

You Monster

Reunite with GLaDOS
Unlocked 29 Jun, 2017 @ 2:36am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 29 Jun, 2017 @ 2:40am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 29 Jun, 2017 @ 3:21am

SaBOTour

Make a break for it
Unlocked 29 Jun, 2017 @ 10:14am

Stalemate Associate

Press the button!
Unlocked 29 Jun, 2017 @ 10:44am

Tater Tote

Carry science forward
Unlocked 30 Jun, 2017 @ 6:17am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 30 Jun, 2017 @ 2:42am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 30 Jun, 2017 @ 6:46am

White Out

Complete the first Conversion Gel test
Unlocked 30 Jun, 2017 @ 12:34pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 2 Jul, 2017 @ 1:16am

Dual Pit Experiment

Do the same test twice
Unlocked 1 Jul, 2017 @ 12:45am

The Part Where He Kills You

This is that part
Unlocked 2 Jul, 2017 @ 1:33am

Lunacy

That just happened
Unlocked 2 Jul, 2017 @ 2:04am

Drop Box

Place a cube on a button without touching the cube
Unlocked 7 Aug, 2017 @ 5:35am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 20 May, 2021 @ 1:12pm

Pit Boss

Show that pit who's boss
Unlocked 20 May, 2021 @ 5:02am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 20 May, 2021 @ 5:08am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 20 May, 2021 @ 5:10am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 20 May, 2021 @ 5:14am

Good Listener

Take GLaDOS' escape advice
Unlocked 29 Jun, 2017 @ 10:15am

Scanned Alone

Stand in a defective turret detector
Unlocked 29 Jun, 2017 @ 10:29am

No Hard Feelings

Save a turret from redemption
Unlocked 7 Aug, 2017 @ 5:35am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 20 May, 2021 @ 5:56am

Ship Overboard

Discover the missing experiment
Unlocked 20 May, 2021 @ 6:05am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 20 May, 2021 @ 6:20am

Portrait of a Lady

Find a hidden portrait
Unlocked 20 May, 2021 @ 6:28am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 20 May, 2021 @ 6:33am

Smash TV

Break 11 test chamber monitors
Unlocked 20 May, 2021 @ 1:03pm

High Five

Celebrate your cooperative calibration success
Unlocked 28 Jun, 2017 @ 1:07pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 28 Jun, 2017 @ 1:41pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 23 Nov, 2017 @ 11:13am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 21 May, 2021 @ 3:23pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 21 May, 2021 @ 4:37pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 23 May, 2021 @ 2:33pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 21 May, 2021 @ 2:10pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 21 May, 2021 @ 3:54pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 21 May, 2021 @ 2:54pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 21 May, 2021 @ 2:13pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 21 May, 2021 @ 4:42pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 21 May, 2021 @ 1:06pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 23 May, 2021 @ 3:04pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 21 May, 2021 @ 5:22pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 21 May, 2021 @ 3:35pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 21 May, 2021 @ 2:40pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 21 May, 2021 @ 2:04pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 23 May, 2021 @ 1:09pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 23 May, 2021 @ 1:42pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 21 May, 2021 @ 1:03pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 23 May, 2021 @ 2:41pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 23 May, 2021 @ 2:37pm