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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 26 Jun, 2019 @ 5:45am

You Monster

Reunite with GLaDOS
Unlocked 27 Jun, 2019 @ 3:01am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 29 Jun, 2019 @ 2:58am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 29 Jun, 2019 @ 3:23am

SaBOTour

Make a break for it
Unlocked 1 Dec, 2019 @ 4:12am

Stalemate Associate

Press the button!
Unlocked 11 Feb, 2020 @ 9:25am

Tater Tote

Carry science forward
Unlocked 3 May, 2020 @ 12:18pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 11 Feb, 2020 @ 9:39am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 3 May, 2020 @ 12:26pm

White Out

Complete the first Conversion Gel test
Unlocked 3 May, 2020 @ 12:30pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 3 May, 2020 @ 1:10pm

Dual Pit Experiment

Do the same test twice
Unlocked 3 May, 2020 @ 12:43pm

The Part Where He Kills You

This is that part
Unlocked 3 May, 2020 @ 1:18pm

Lunacy

That just happened
Unlocked 3 May, 2020 @ 1:34pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 27 Jun, 2019 @ 2:45am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 29 Jun, 2019 @ 3:21am

Pit Boss

Show that pit who's boss
Unlocked 3 May, 2020 @ 1:19pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 29 Jun, 2019 @ 3:12am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 29 Jun, 2019 @ 3:31am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 29 Jun, 2019 @ 3:07am

Good Listener

Take GLaDOS' escape advice
Unlocked 1 Dec, 2019 @ 4:12am

Scanned Alone

Stand in a defective turret detector
Unlocked 3 May, 2020 @ 1:44pm

No Hard Feelings

Save a turret from redemption
Unlocked 1 Dec, 2019 @ 4:17am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 3 May, 2020 @ 12:15pm

Ship Overboard

Discover the missing experiment
Unlocked 3 May, 2020 @ 12:17pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 3 May, 2020 @ 12:17pm

Portrait of a Lady

Find a hidden portrait
Unlocked 3 May, 2020 @ 12:20pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 3 May, 2020 @ 12:42pm

Smash TV

Break 11 test chamber monitors
Unlocked 3 May, 2020 @ 1:16pm

High Five

Celebrate your cooperative calibration success
Unlocked 30 Nov, 2019 @ 6:12am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 30 Nov, 2019 @ 6:36am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 18 Dec, 2019 @ 8:19am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 21 Dec, 2019 @ 5:57am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 28 Feb, 2020 @ 8:52am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 3 Apr, 2020 @ 9:56am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 8 Dec, 2019 @ 2:23am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 13 Feb, 2020 @ 1:41am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 21 Dec, 2019 @ 5:45am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 18 Dec, 2019 @ 8:36am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 4 May, 2020 @ 5:14am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 3 May, 2020 @ 3:28am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 26 Oct, 2020 @ 7:42am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 18 Dec, 2019 @ 8:00am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 17 Nov, 2020 @ 1:30am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 4 May, 2020 @ 4:51am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 4 May, 2020 @ 5:04am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 18 Nov, 2020 @ 5:12am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 28 Feb, 2020 @ 8:57am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 4 May, 2020 @ 4:27am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 17 Nov, 2020 @ 1:07am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 17 Nov, 2020 @ 1:41am