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41 of 51 (80%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 18 Nov, 2016 @ 2:04pm

You Monster

Reunite with GLaDOS
Unlocked 18 Nov, 2016 @ 2:45pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 18 Nov, 2016 @ 6:05pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 21 Nov, 2016 @ 1:55pm

SaBOTour

Make a break for it
Unlocked 9 Dec, 2016 @ 5:48pm

Stalemate Associate

Press the button!
Unlocked 9 Dec, 2016 @ 7:00pm

Tater Tote

Carry science forward
Unlocked 27 Jan, 2017 @ 6:34pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 27 Jan, 2017 @ 5:48pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 3 Mar, 2021 @ 7:17pm

White Out

Complete the first Conversion Gel test
Unlocked 7 Mar, 2021 @ 10:00am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 21 May, 2021 @ 7:57am

Dual Pit Experiment

Do the same test twice
Unlocked 20 May, 2021 @ 7:15am

The Part Where He Kills You

This is that part
Unlocked 26 May, 2021 @ 7:48pm

Lunacy

That just happened
Unlocked 26 May, 2021 @ 8:10pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 24 Apr, 2017 @ 5:44pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 17 Dec, 2023 @ 8:01pm

Pit Boss

Show that pit who's boss
Unlocked 22 Jun, 2023 @ 8:40pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 20 May, 2021 @ 8:48am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 15 Feb, 2017 @ 5:36pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 17 Dec, 2023 @ 8:01pm

Good Listener

Take GLaDOS' escape advice
Unlocked 9 Dec, 2016 @ 5:49pm

Scanned Alone

Stand in a defective turret detector
Unlocked 9 Dec, 2016 @ 6:39pm

No Hard Feelings

Save a turret from redemption
Unlocked 9 Dec, 2016 @ 6:33pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 17 Dec, 2023 @ 8:00pm

Ship Overboard

Discover the missing experiment
Unlocked 27 Jan, 2017 @ 6:31pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 17 Dec, 2023 @ 8:00pm

Portrait of a Lady

Find a hidden portrait
Unlocked 3 Mar, 2021 @ 5:12pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 20 May, 2021 @ 7:14am

High Five

Celebrate your cooperative calibration success
Unlocked 22 Nov, 2016 @ 10:46am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 22 Nov, 2016 @ 11:06am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 30 Jan, 2017 @ 3:05pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 26 May, 2021 @ 3:34pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 25 May, 2021 @ 4:33pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 26 May, 2021 @ 3:34pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 30 Jan, 2017 @ 2:51pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 31 Mar, 2017 @ 2:53pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 15 Feb, 2017 @ 7:04pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 17 Oct, 2021 @ 4:50pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 5 Feb, 2017 @ 12:43pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 29 Apr, 2022 @ 6:53pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 30 Jul, 2017 @ 12:36pm



Smash TV

Break 11 test chamber monitors

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them

Party of Three

Find the hidden companion cube in co-op test chamber

Narbacular Drop

Place a portal under your co-op partner while they are gesturing

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

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