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41 of 51 (80%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 7 Jan, 2014 @ 3:03pm

You Monster

Reunite with GLaDOS
Unlocked 7 Jan, 2014 @ 3:42pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 7 Jan, 2014 @ 3:56pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 9 Jan, 2014 @ 10:58am

SaBOTour

Make a break for it
Unlocked 9 Jan, 2014 @ 11:53am

Stalemate Associate

Press the button!
Unlocked 9 Jan, 2014 @ 1:15pm

Tater Tote

Carry science forward
Unlocked 10 Jan, 2014 @ 3:13pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 10 Jan, 2014 @ 2:01pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 10 Jan, 2014 @ 4:02pm

White Out

Complete the first Conversion Gel test
Unlocked 10 Jan, 2014 @ 5:27pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 22 Jan, 2014 @ 11:59am

Dual Pit Experiment

Do the same test twice
Unlocked 11 Jan, 2014 @ 8:55am

The Part Where He Kills You

This is that part
Unlocked 13 Sep, 2014 @ 5:23pm

Lunacy

That just happened
Unlocked 13 Sep, 2014 @ 5:52pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 12 Dec, 2014 @ 1:29pm

Pit Boss

Show that pit who's boss
Unlocked 14 Jan, 2015 @ 4:18am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 9 Jan, 2014 @ 9:21am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 13 Sep, 2014 @ 12:07pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 9 Jan, 2014 @ 9:13am

Good Listener

Take GLaDOS' escape advice
Unlocked 13 Sep, 2014 @ 12:39pm

Scanned Alone

Stand in a defective turret detector
Unlocked 12 Jan, 2015 @ 5:33am

No Hard Feelings

Save a turret from redemption
Unlocked 9 Jan, 2014 @ 12:41pm

Ship Overboard

Discover the missing experiment
Unlocked 10 Jan, 2014 @ 3:11pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 10 Jan, 2014 @ 3:11pm

Portrait of a Lady

Find a hidden portrait
Unlocked 9 Aug, 2018 @ 12:43pm

High Five

Celebrate your cooperative calibration success
Unlocked 19 Jan, 2015 @ 6:53am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 20 Jan, 2015 @ 6:01am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 4 Aug, 2018 @ 7:04pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 24 Aug, 2018 @ 5:50pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 26 Nov, 2018 @ 5:20pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 26 Nov, 2018 @ 6:46pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 24 Aug, 2018 @ 6:16pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 3 Mar @ 9:06pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 3 Mar @ 8:16pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 21 Apr, 2022 @ 8:00pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 19 Jan, 2015 @ 7:17am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 3 Mar @ 9:15pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 21 Apr, 2022 @ 8:27pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 26 Nov, 2018 @ 6:44pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 26 Nov, 2018 @ 5:37pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 28 Feb, 2023 @ 8:17pm



Overclocker

Complete Test Chamber 10 in 70 seconds

Schrodinger's Catch

Catch a blue-painted box before it touches the ground

You Made Your Point

Refuse to solve the first test in Chapter 8

Smash TV

Break 11 test chamber monitors

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

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

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

Still Alive

Complete Course 4 with neither you nor your co-op partner dying

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course