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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Dec 31, 2012 @ 12:43pm

You Monster

Reunite with GLaDOS
Unlocked Dec 31, 2012 @ 1:00pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Dec 31, 2012 @ 1:05pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Dec 31, 2012 @ 3:45pm

SaBOTour

Make a break for it
Unlocked Dec 31, 2012 @ 4:15pm

Stalemate Associate

Press the button!
Unlocked Dec 31, 2012 @ 5:05pm

Tater Tote

Carry science forward
Unlocked Jan 1, 2013 @ 7:00am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Jan 1, 2013 @ 6:45am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Jan 1, 2013 @ 7:14am

White Out

Complete the first Conversion Gel test
Unlocked Jan 1, 2013 @ 7:22am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Jan 1, 2013 @ 8:05am

Dual Pit Experiment

Do the same test twice
Unlocked Jan 1, 2013 @ 7:38am

The Part Where He Kills You

This is that part
Unlocked Jan 1, 2013 @ 8:10am

Lunacy

That just happened
Unlocked Jan 1, 2013 @ 8:31am

Drop Box

Place a cube on a button without touching the cube
Unlocked Dec 31, 2012 @ 3:30pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Jan 4, 2013 @ 4:35pm

Pit Boss

Show that pit who's boss
Unlocked Jan 1, 2013 @ 8:10am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Dec 31, 2012 @ 3:32pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Dec 31, 2012 @ 4:11pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Dec 31, 2012 @ 1:21pm

Good Listener

Take GLaDOS' escape advice
Unlocked Dec 31, 2012 @ 4:16pm

Scanned Alone

Stand in a defective turret detector
Unlocked Dec 31, 2012 @ 4:26pm

No Hard Feelings

Save a turret from redemption
Unlocked Dec 31, 2012 @ 4:24pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Jan 4, 2013 @ 4:20pm

Ship Overboard

Discover the missing experiment
Unlocked Jan 4, 2013 @ 4:24pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked Jan 4, 2013 @ 4:51pm

Portrait of a Lady

Find a hidden portrait
Unlocked Jan 1, 2013 @ 7:05am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Jan 1, 2013 @ 8:42am

Smash TV

Break 11 test chamber monitors
Unlocked Jan 4, 2013 @ 6:10am

High Five

Celebrate your cooperative calibration success
Unlocked Dec 31, 2012 @ 6:03am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Dec 31, 2012 @ 6:31am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Jan 5, 2013 @ 8:01pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Jan 5, 2013 @ 8:59pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Jan 7, 2013 @ 1:47pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Jan 7, 2013 @ 2:55pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked May 22, 2021 @ 12:51pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Jan 7, 2013 @ 1:06pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Jan 5, 2013 @ 8:31pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Jan 5, 2013 @ 8:08pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Oct 13, 2019 @ 5:09pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Jan 7, 2013 @ 1:48pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Nov 30, 2023 @ 2:30pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Dec 31, 2012 @ 6:49am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked May 22, 2021 @ 1:22pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Jan 7, 2013 @ 2:21pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked May 22, 2021 @ 2:07pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Nov 30, 2023 @ 12:22pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Jan 7, 2013 @ 1:52pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Dec 31, 2012 @ 7:51am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Nov 30, 2023 @ 11:19am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked May 22, 2021 @ 1:57pm