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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 8 Jun, 2015 @ 6:10pm

You Monster

Reunite with GLaDOS
Unlocked 9 Jun, 2015 @ 1:31pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 9 Jun, 2015 @ 1:35pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 11 Sep, 2015 @ 12:40pm

SaBOTour

Make a break for it
Unlocked 11 Sep, 2015 @ 1:22pm

Stalemate Associate

Press the button!
Unlocked 11 Sep, 2015 @ 1:50pm

Tater Tote

Carry science forward
Unlocked 14 Sep, 2015 @ 12:41pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 13 Sep, 2015 @ 5:56am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 15 Sep, 2015 @ 12:27pm

White Out

Complete the first Conversion Gel test
Unlocked 15 Sep, 2015 @ 12:37pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 4 Dec, 2015 @ 2:23pm

Dual Pit Experiment

Do the same test twice
Unlocked 4 Dec, 2015 @ 1:27pm

The Part Where He Kills You

This is that part
Unlocked 4 Dec, 2015 @ 3:24pm

Lunacy

That just happened
Unlocked 4 Dec, 2015 @ 3:55pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 9 Jun, 2015 @ 1:46pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 2 Sep, 2021 @ 2:04pm

Pit Boss

Show that pit who's boss
Unlocked 25 Jun, 2016 @ 2:34pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 13 Jan, 2022 @ 9:17pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 13 Jan, 2022 @ 9:33pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 13 Jan, 2022 @ 9:41pm

Good Listener

Take GLaDOS' escape advice
Unlocked 11 Sep, 2015 @ 1:23pm

Scanned Alone

Stand in a defective turret detector
Unlocked 11 Sep, 2015 @ 1:37pm

No Hard Feelings

Save a turret from redemption
Unlocked 11 Sep, 2015 @ 1:33pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 13 Jan, 2022 @ 10:22pm

Ship Overboard

Discover the missing experiment
Unlocked 13 Jan, 2022 @ 10:28pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 13 Jan, 2022 @ 10:28pm

Portrait of a Lady

Find a hidden portrait
Unlocked 13 Jan, 2022 @ 10:42pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 2 Jul, 2020 @ 11:16am

Smash TV

Break 11 test chamber monitors
Unlocked 19 Jan, 2022 @ 10:39am

High Five

Celebrate your cooperative calibration success
Unlocked 5 Jul, 2016 @ 11:23am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 8 Dec, 2015 @ 3:07pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 28 May, 2017 @ 6:04pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 15 Jul, 2017 @ 7:40pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 25 Jul, 2017 @ 11:45am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 25 Jul, 2017 @ 12:39pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 18 Jan, 2022 @ 4:37pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 25 Jul, 2017 @ 12:37pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 15 Jul, 2017 @ 7:13pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 18 Jan, 2022 @ 4:51pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 18 Jan, 2022 @ 7:04pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 18 Jan, 2022 @ 4:03pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 30 Sep, 2017 @ 9:44am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 15 Jul, 2017 @ 7:02pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 18 Jan, 2022 @ 5:14pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 18 Jan, 2022 @ 7:34pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 18 Jan, 2022 @ 4:49pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 18 Jan, 2022 @ 7:26pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 18 Jan, 2022 @ 5:03pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 15 Jul, 2017 @ 7:26pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 18 Jan, 2022 @ 6:27pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 18 Jan, 2022 @ 7:50pm