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41 of 51 (80%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Sep 11, 2011 @ 1:10pm

You Monster

Reunite with GLaDOS
Unlocked Sep 11, 2011 @ 1:40pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Sep 11, 2011 @ 1:49pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Sep 15, 2011 @ 5:07pm

SaBOTour

Make a break for it
Unlocked Sep 22, 2011 @ 3:35pm

Stalemate Associate

Press the button!
Unlocked Sep 29, 2011 @ 4:38pm

Tater Tote

Carry science forward
Unlocked Oct 9, 2011 @ 2:02pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Oct 2, 2011 @ 12:14pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked Oct 9, 2011 @ 2:37pm

White Out

Complete the first Conversion Gel test
Unlocked Oct 14, 2011 @ 1:41pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Dec 1, 2011 @ 2:55pm

Dual Pit Experiment

Do the same test twice
Unlocked Nov 23, 2011 @ 1:29pm

The Part Where He Kills You

This is that part
Unlocked Dec 1, 2011 @ 3:12pm

Lunacy

That just happened
Unlocked Dec 9, 2011 @ 1:52pm

Drop Box

Place a cube on a button without touching the cube
Unlocked May 12, 2012 @ 1:40pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Feb 21, 2019 @ 3:08pm

Pit Boss

Show that pit who's boss
Unlocked May 22, 2017 @ 2:21pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Jul 24, 2013 @ 7:33am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Feb 21, 2019 @ 3:17pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Jul 24, 2013 @ 7:25am

Good Listener

Take GLaDOS' escape advice
Unlocked May 21, 2017 @ 10:09pm

Scanned Alone

Stand in a defective turret detector
Unlocked May 21, 2017 @ 10:26pm

No Hard Feelings

Save a turret from redemption
Unlocked Sep 25, 2011 @ 4:36pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Feb 20, 2019 @ 6:59pm

Ship Overboard

Discover the missing experiment
Unlocked Aug 30, 2013 @ 8:14am

Door Prize

Examine all the vitrified test chamber doors
Unlocked Jun 10, 2020 @ 6:33pm

Portrait of a Lady

Find a hidden portrait
Unlocked May 22, 2017 @ 12:36pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked May 22, 2017 @ 1:19pm

High Five

Celebrate your cooperative calibration success
Unlocked Oct 22, 2011 @ 2:38pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Oct 22, 2011 @ 3:14pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Oct 29, 2011 @ 1:00pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Dec 29, 2011 @ 2:52pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Feb 9, 2012 @ 5:03pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Feb 18, 2012 @ 1:44pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Jan 26, 2012 @ 1:47pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Dec 22, 2011 @ 11:45am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Jan 26, 2012 @ 1:51pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Jan 15, 2018 @ 10:20pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Oct 13, 2017 @ 1:05pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Apr 7, 2012 @ 4:59pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Apr 4, 2019 @ 7:15pm



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

Narbacular Drop

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

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before

Portal Conservation Society

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

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

Talent Show

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