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35 of 51 (69%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 20 Dec, 2011 @ 10:13pm

You Monster

Reunite with GLaDOS
Unlocked 20 Dec, 2011 @ 10:41pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 20 Dec, 2011 @ 10:47pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 20 Dec, 2011 @ 11:40pm

SaBOTour

Make a break for it
Unlocked 21 Dec, 2011 @ 2:58pm

Stalemate Associate

Press the button!
Unlocked 21 Dec, 2011 @ 3:28pm

Tater Tote

Carry science forward
Unlocked 21 Dec, 2011 @ 10:44pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 21 Dec, 2011 @ 10:16pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 21 Dec, 2011 @ 11:02pm

White Out

Complete the first Conversion Gel test
Unlocked 21 Dec, 2011 @ 11:14pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 22 Dec, 2011 @ 2:38pm

Dual Pit Experiment

Do the same test twice
Unlocked 21 Dec, 2011 @ 11:42pm

The Part Where He Kills You

This is that part
Unlocked 22 Dec, 2011 @ 3:00pm

Lunacy

That just happened
Unlocked 22 Dec, 2011 @ 3:38pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 13 Jul, 2018 @ 3:49pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 3 Jan, 2019 @ 10:08am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 26 Jul, 2018 @ 3:44pm

Good Listener

Take GLaDOS' escape advice
Unlocked 28 Jul, 2021 @ 4:36pm

Scanned Alone

Stand in a defective turret detector
Unlocked 21 Dec, 2011 @ 3:14pm

No Hard Feelings

Save a turret from redemption
Unlocked 21 Dec, 2011 @ 3:11pm

High Five

Celebrate your cooperative calibration success
Unlocked 22 Dec, 2011 @ 11:33pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 22 Jun, 2018 @ 11:08am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 24 Jun, 2018 @ 2:48pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 4 Jul, 2018 @ 4:32pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 12 Jul, 2018 @ 11:34am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 12 Jul, 2018 @ 11:34am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 16 Jul, 2018 @ 6:39pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 8 Jul, 2018 @ 2:08pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 27 Oct, 2023 @ 3:56pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 20 Oct, 2023 @ 5:34pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 12 Jul, 2018 @ 11:26am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 26 Jun, 2018 @ 7:06pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 13 Jul, 2018 @ 10:16am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 28 Jun, 2021 @ 1:51pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 8 Jul, 2018 @ 2:22pm



Overclocker

Complete Test Chamber 10 in 70 seconds

Pit Boss

Show that pit who's boss

Final Transmission

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

Schrodinger's Catch

Catch a blue-painted box before it touches the ground

Ship Overboard

Discover the missing experiment

Door Prize

Examine all the vitrified test chamber doors

Portrait of a Lady

Find a hidden portrait

You Made Your Point

Refuse to solve the first test in Chapter 8

Smash TV

Break 11 test chamber monitors

Party of Three

Find the hidden companion cube in co-op test chamber

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

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

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list

Talent Show

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