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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 24 Nov, 2017 @ 5:02am

You Monster

Reunite with GLaDOS
Unlocked 24 Nov, 2017 @ 5:28am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 24 Nov, 2017 @ 5:35am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 9 Jan, 2018 @ 3:51am

SaBOTour

Make a break for it
Unlocked 22 Jan, 2018 @ 11:51pm

Stalemate Associate

Press the button!
Unlocked 23 Jan, 2018 @ 12:21am

Tater Tote

Carry science forward
Unlocked 23 Jan, 2018 @ 9:23pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 23 Jan, 2018 @ 1:05am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 23 Jan, 2018 @ 9:45pm

White Out

Complete the first Conversion Gel test
Unlocked 23 Jan, 2018 @ 10:03pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 25 Jan, 2018 @ 4:39am

Dual Pit Experiment

Do the same test twice
Unlocked 23 Jan, 2018 @ 10:44pm

The Part Where He Kills You

This is that part
Unlocked 27 Jan, 2018 @ 3:50am

Lunacy

That just happened
Unlocked 27 Jan, 2018 @ 4:27am

Drop Box

Place a cube on a button without touching the cube
Unlocked 28 Jan, 2018 @ 4:51am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 13 Feb, 2018 @ 10:01pm

Pit Boss

Show that pit who's boss
Unlocked 13 Feb, 2018 @ 10:15pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 18 Feb, 2018 @ 3:08am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 13 Feb, 2018 @ 9:29pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 18 Feb, 2018 @ 3:15am

Good Listener

Take GLaDOS' escape advice
Unlocked 22 Jan, 2018 @ 11:51pm

Scanned Alone

Stand in a defective turret detector
Unlocked 23 Jan, 2018 @ 12:06am

No Hard Feelings

Save a turret from redemption
Unlocked 23 Jan, 2018 @ 12:00am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 18 Feb, 2018 @ 3:26am

Ship Overboard

Discover the missing experiment
Unlocked 18 Feb, 2018 @ 3:38am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 18 Feb, 2018 @ 3:38am

Portrait of a Lady

Find a hidden portrait
Unlocked 18 Feb, 2018 @ 3:45am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 13 Feb, 2018 @ 10:10pm

Smash TV

Break 11 test chamber monitors
Unlocked 18 Feb, 2018 @ 5:03am

High Five

Celebrate your cooperative calibration success
Unlocked 27 Jan, 2018 @ 5:05am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 27 Jan, 2018 @ 5:23am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 27 Jan, 2018 @ 6:05am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 27 Jan, 2018 @ 6:50am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 2 Feb, 2018 @ 3:00am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 9 Feb, 2018 @ 4:05am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 30 Jan, 2018 @ 3:16am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 9 Feb, 2018 @ 4:03am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 19 Jan, 2019 @ 1:11am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 18 Feb, 2019 @ 10:57pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 18 Feb, 2019 @ 10:44pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 18 Feb, 2019 @ 10:05pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 18 Feb, 2019 @ 11:23pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 9 Jan, 2019 @ 10:34pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 17 Apr, 2019 @ 6:53pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 17 Apr, 2019 @ 6:22pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 30 Jan, 2018 @ 3:12am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 18 Apr, 2019 @ 5:30am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 17 Apr, 2019 @ 6:22pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 9 Jan, 2019 @ 10:12pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 18 Feb, 2019 @ 10:03pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 19 Feb, 2019 @ 4:33am