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33 of 51 (65%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 26 Dec, 2015 @ 1:11pm

You Monster

Reunite with GLaDOS
Unlocked 26 Dec, 2015 @ 1:32pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 26 Dec, 2015 @ 1:37pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 27 Dec, 2015 @ 4:40pm

SaBOTour

Make a break for it
Unlocked 28 Dec, 2015 @ 3:35am

Stalemate Associate

Press the button!
Unlocked 28 Dec, 2015 @ 4:04am

Tater Tote

Carry science forward
Unlocked 28 Dec, 2015 @ 5:34am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 28 Dec, 2015 @ 5:11am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 28 Dec, 2015 @ 5:55am

White Out

Complete the first Conversion Gel test
Unlocked 28 Dec, 2015 @ 6:19am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 31 Dec, 2015 @ 1:08pm

Dual Pit Experiment

Do the same test twice
Unlocked 28 Dec, 2015 @ 7:12am

The Part Where He Kills You

This is that part
Unlocked 1 Jan, 2016 @ 8:14am

Lunacy

That just happened
Unlocked 1 Jan, 2016 @ 8:49am

Drop Box

Place a cube on a button without touching the cube
Unlocked 9 Apr, 2016 @ 4:59pm

Good Listener

Take GLaDOS' escape advice
Unlocked 28 Dec, 2015 @ 3:35am

Scanned Alone

Stand in a defective turret detector
Unlocked 28 Dec, 2015 @ 3:49am

No Hard Feelings

Save a turret from redemption
Unlocked 28 Dec, 2015 @ 3:46am

High Five

Celebrate your cooperative calibration success
Unlocked 27 Dec, 2015 @ 3:10pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 21 Apr, 2016 @ 11:00am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 21 Apr, 2016 @ 11:33am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 21 Apr, 2016 @ 12:14pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 23 Apr, 2016 @ 11:17am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 23 Apr, 2016 @ 1:24pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 23 Apr, 2016 @ 10:42am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 14 Jul, 2020 @ 6:16pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 23 Apr, 2016 @ 11:14am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 22 Feb, 2017 @ 1:09pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 27 Dec, 2015 @ 3:37pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 22 Feb, 2017 @ 1:12pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 14 Jul, 2020 @ 6:50pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 14 Jul, 2020 @ 7:34am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 17 Jul, 2020 @ 4:02pm



Overclocker

Complete Test Chamber 10 in 70 seconds

Pit Boss

Show that pit who's boss

Preservation of Mass

Break the rules in Test Chamber 07

Pturretdactyl

Use an Aerial Faith Plate to launch a turret

Final Transmission

Find the hidden signal in one of the Rat Man's dens

Schrodinger's Catch

Catch a blue-painted box before it touches the ground

Ship Overboard

Discover the missing experiment

Door Prize

Examine all the vitrified test chamber doors

Portrait of a Lady

Find a hidden portrait

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

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

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each

Still Alive

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