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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 25 Aug, 2014 @ 1:20pm

You Monster

Reunite with GLaDOS
Unlocked 11 Oct, 2014 @ 4:13am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 11 Oct, 2014 @ 4:17am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 11 Oct, 2014 @ 4:52am

SaBOTour

Make a break for it
Unlocked 10 Apr, 2018 @ 4:09am

Stalemate Associate

Press the button!
Unlocked 10 Apr, 2018 @ 4:38am

Tater Tote

Carry science forward
Unlocked 10 Apr, 2018 @ 5:49am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 10 Apr, 2018 @ 5:17am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 11 Apr, 2018 @ 5:15am

White Out

Complete the first Conversion Gel test
Unlocked 11 Apr, 2018 @ 5:30am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 11 Apr, 2018 @ 7:23am

Dual Pit Experiment

Do the same test twice
Unlocked 11 Apr, 2018 @ 6:19am

The Part Where He Kills You

This is that part
Unlocked 11 Apr, 2018 @ 7:48am

Lunacy

That just happened
Unlocked 11 Apr, 2018 @ 8:16am

Drop Box

Place a cube on a button without touching the cube
Unlocked 10 Apr, 2018 @ 2:58am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 10 Apr, 2018 @ 3:27am

Pit Boss

Show that pit who's boss
Unlocked 11 Apr, 2018 @ 7:50am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 10 Apr, 2018 @ 3:06am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 10 Apr, 2018 @ 2:56am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 10 Apr, 2018 @ 3:00am

Good Listener

Take GLaDOS' escape advice
Unlocked 10 Apr, 2018 @ 4:10am

Scanned Alone

Stand in a defective turret detector
Unlocked 10 Apr, 2018 @ 4:22am

No Hard Feelings

Save a turret from redemption
Unlocked 10 Apr, 2018 @ 4:19am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 10 Apr, 2018 @ 6:30am

Ship Overboard

Discover the missing experiment
Unlocked 10 Apr, 2018 @ 5:52am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 10 Apr, 2018 @ 6:15am

Portrait of a Lady

Find a hidden portrait
Unlocked 11 Apr, 2018 @ 5:00am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 11 Apr, 2018 @ 6:16am

Smash TV

Break 11 test chamber monitors
Unlocked 11 Apr, 2018 @ 7:34am

High Five

Celebrate your cooperative calibration success
Unlocked 15 Feb, 2015 @ 5:19am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 15 Feb, 2015 @ 5:44am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 15 Feb, 2015 @ 6:30am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 15 Feb, 2015 @ 7:28am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 17 Feb, 2015 @ 8:09am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 3 Jul, 2021 @ 12:57pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 4 Jul, 2021 @ 6:40am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 15 Feb, 2015 @ 8:00am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 4 Jul, 2021 @ 6:24am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 4 Jul, 2021 @ 6:17am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 4 Jul, 2021 @ 7:36am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 4 Jul, 2021 @ 5:37am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 7 Jul, 2021 @ 12:48am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 15 Feb, 2015 @ 5:58am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 4 Jul, 2021 @ 7:15am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 17 Feb, 2015 @ 9:41am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 4 Jul, 2021 @ 7:24am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 4 Jul, 2021 @ 8:50am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 3 Jul, 2021 @ 11:29am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 3 Jul, 2021 @ 9:01am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 7 Jul, 2021 @ 12:48am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 4 Jul, 2021 @ 7:46am