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39 of 51 (76%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 10 Nov, 2013 @ 9:34am

You Monster

Reunite with GLaDOS
Unlocked 12 Nov, 2013 @ 8:37am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 12 Nov, 2013 @ 8:43am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 16 Nov, 2013 @ 2:59am

SaBOTour

Make a break for it
Unlocked 16 Nov, 2013 @ 3:30am

Stalemate Associate

Press the button!
Unlocked 16 Nov, 2013 @ 3:53am

Tater Tote

Carry science forward
Unlocked 18 Nov, 2013 @ 1:55am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 18 Nov, 2013 @ 1:43am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 18 Nov, 2013 @ 2:05am

White Out

Complete the first Conversion Gel test
Unlocked 18 Nov, 2013 @ 2:12am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 19 Nov, 2013 @ 11:07am

Dual Pit Experiment

Do the same test twice
Unlocked 18 Nov, 2013 @ 2:34am

The Part Where He Kills You

This is that part
Unlocked 19 Nov, 2013 @ 11:17am

Lunacy

That just happened
Unlocked 19 Nov, 2013 @ 11:44am

Drop Box

Place a cube on a button without touching the cube
Unlocked 16 Nov, 2013 @ 2:44am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 6 Dec, 2016 @ 2:03pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 6 Dec, 2016 @ 1:44pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 6 Dec, 2016 @ 11:06am

Good Listener

Take GLaDOS' escape advice
Unlocked 16 Nov, 2013 @ 3:31am

Scanned Alone

Stand in a defective turret detector
Unlocked 7 Dec, 2016 @ 3:15am

No Hard Feelings

Save a turret from redemption
Unlocked 16 Nov, 2013 @ 3:39am

Ship Overboard

Discover the missing experiment
Unlocked 7 Dec, 2016 @ 4:05am

Portrait of a Lady

Find a hidden portrait
Unlocked 1 Jul, 2022 @ 4:13am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 7 Dec, 2016 @ 6:57am

High Five

Celebrate your cooperative calibration success
Unlocked 10 Nov, 2013 @ 12:43am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 10 Nov, 2013 @ 2:30am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 10 Nov, 2013 @ 10:16am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 24 Nov, 2013 @ 9:07am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 25 Nov, 2013 @ 5:36am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 29 Dec, 2019 @ 11:12am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 25 Nov, 2013 @ 4:39am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 24 Nov, 2013 @ 8:44am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 10 Nov, 2013 @ 10:21am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 25 Jun, 2017 @ 3:13pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 10 Nov, 2013 @ 2:37am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 26 Jun, 2017 @ 10:52am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 25 Nov, 2013 @ 5:40am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 10 Nov, 2013 @ 2:31am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 27 Dec, 2019 @ 12:08pm



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

Door Prize

Examine all the vitrified test chamber doors

Smash TV

Break 11 test chamber monitors

Iron Grip

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

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

Four Ring Circus

Enter 4 different portals without touching the ground in co-op

Still Alive

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

Talent Show

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