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37 of 51 (73%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 10 Nov, 2012 @ 3:45am

You Monster

Reunite with GLaDOS
Unlocked 10 Nov, 2012 @ 4:36am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 10 Nov, 2012 @ 4:41am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 12 Nov, 2012 @ 7:26am

SaBOTour

Make a break for it
Unlocked 12 Nov, 2012 @ 8:42am

Stalemate Associate

Press the button!
Unlocked 29 Dec, 2013 @ 1:32am

Tater Tote

Carry science forward
Unlocked 18 Jan, 2014 @ 1:13am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 29 Dec, 2013 @ 2:28am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 18 Jan, 2014 @ 1:53am

White Out

Complete the first Conversion Gel test
Unlocked 18 Jan, 2014 @ 2:50am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 18 Jul, 2014 @ 8:57am

Dual Pit Experiment

Do the same test twice
Unlocked 18 Jul, 2014 @ 8:22am

The Part Where He Kills You

This is that part
Unlocked 22 Aug, 2014 @ 11:23pm

Lunacy

That just happened
Unlocked 22 Aug, 2014 @ 11:48pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 5 Dec, 2018 @ 12:01am

Pit Boss

Show that pit who's boss
Unlocked 22 Aug, 2014 @ 11:27pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 6 Sep, 2017 @ 2:50am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 6 Dec, 2018 @ 5:17am

Good Listener

Take GLaDOS' escape advice
Unlocked 9 Dec, 2018 @ 7:44am

Scanned Alone

Stand in a defective turret detector
Unlocked 27 Jan, 2013 @ 7:49am

No Hard Feelings

Save a turret from redemption
Unlocked 12 Nov, 2012 @ 8:55am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 23 Apr, 2018 @ 8:41am

Portrait of a Lady

Find a hidden portrait
Unlocked 23 Apr, 2018 @ 8:52am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 9 Dec, 2018 @ 1:51pm

Smash TV

Break 11 test chamber monitors
Unlocked 9 Dec, 2018 @ 1:34pm

High Five

Celebrate your cooperative calibration success
Unlocked 14 Jan, 2014 @ 5:54am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 14 Jan, 2014 @ 8:53am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 20 Jan, 2014 @ 6:29am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 23 Mar, 2014 @ 11:38am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 21 Feb, 2023 @ 7:13am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 21 Feb, 2023 @ 7:56am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 20 Feb, 2023 @ 9:17am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 7 Jun, 2015 @ 4:21am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 23 Mar, 2014 @ 11:42am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 6 Jul, 2019 @ 2:33pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 21 Feb, 2023 @ 7:15am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 20 Feb, 2023 @ 8:55am



Overclocker

Complete Test Chamber 10 in 70 seconds

Final Transmission

Find the hidden signal in one of the Rat Man's dens

Ship Overboard

Discover the missing experiment

Door Prize

Examine all the vitrified test chamber doors

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them

Party of Three

Find the hidden companion cube in co-op test chamber

Narbacular Drop

Place a portal under your co-op partner while they are gesturing

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each

Still Alive

Complete Course 4 with neither you nor your co-op partner dying

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course