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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 20 Jan, 2016 @ 10:17pm

You Monster

Reunite with GLaDOS
Unlocked 20 Jan, 2016 @ 10:32pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 20 Jan, 2016 @ 10:35pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 20 Jan, 2016 @ 11:01pm

SaBOTour

Make a break for it
Unlocked 20 Jan, 2016 @ 11:31pm

Stalemate Associate

Press the button!
Unlocked 21 Jan, 2016 @ 8:44pm

Tater Tote

Carry science forward
Unlocked 25 Jan, 2016 @ 9:40pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 22 Jan, 2016 @ 1:31am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 25 Jan, 2016 @ 9:50pm

White Out

Complete the first Conversion Gel test
Unlocked 25 Jan, 2016 @ 10:07pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 25 Jan, 2016 @ 10:57pm

Dual Pit Experiment

Do the same test twice
Unlocked 25 Jan, 2016 @ 10:27pm

The Part Where He Kills You

This is that part
Unlocked 25 Jan, 2016 @ 11:03pm

Lunacy

That just happened
Unlocked 25 Jan, 2016 @ 11:20pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 18 Jan, 2016 @ 9:41pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 23 Mar, 2020 @ 11:44pm

Pit Boss

Show that pit who's boss
Unlocked 25 Jan, 2016 @ 11:04pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 26 Mar, 2016 @ 5:46am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 31 Mar, 2016 @ 4:48pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 31 Mar, 2016 @ 4:48pm

Good Listener

Take GLaDOS' escape advice
Unlocked 21 Jan, 2016 @ 8:28pm

Scanned Alone

Stand in a defective turret detector
Unlocked 21 Jan, 2016 @ 8:36pm

No Hard Feelings

Save a turret from redemption
Unlocked 21 Jan, 2016 @ 8:34pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 20 Jul, 2019 @ 7:16am

Ship Overboard

Discover the missing experiment
Unlocked 25 Jan, 2016 @ 9:36pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 31 Mar, 2016 @ 5:16pm

Portrait of a Lady

Find a hidden portrait
Unlocked 31 Mar, 2016 @ 4:56pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 26 Mar, 2016 @ 5:28am

Smash TV

Break 11 test chamber monitors
Unlocked 25 Mar, 2020 @ 5:56pm

High Five

Celebrate your cooperative calibration success
Unlocked 28 Dec, 2015 @ 2:12am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 28 Dec, 2015 @ 2:31am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 28 Dec, 2015 @ 5:43am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 28 Dec, 2015 @ 7:58pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 31 Dec, 2015 @ 7:31pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 5 Jan, 2016 @ 12:02am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 20 May, 2021 @ 4:03am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 28 Dec, 2015 @ 8:21pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 28 Dec, 2015 @ 7:41pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 9 Jul, 2019 @ 2:10am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 20 May, 2021 @ 3:49am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 7 Jul, 2019 @ 4:01am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 27 Jun, 2016 @ 7:49pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 28 Dec, 2015 @ 2:41am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 20 May, 2021 @ 4:27am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 20 May, 2021 @ 4:40am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 7 Jan, 2020 @ 5:23am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 20 May, 2021 @ 5:15am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 31 Dec, 2015 @ 7:37pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 16 Oct, 2016 @ 4:16am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 3 Dec, 2016 @ 8:59pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 30 Jan, 2016 @ 9:05pm