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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Aug 21, 2014 @ 1:38am

You Monster

Reunite with GLaDOS
Unlocked Aug 21, 2014 @ 2:39am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Aug 21, 2014 @ 2:39am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Aug 24, 2014 @ 7:26am

SaBOTour

Make a break for it
Unlocked Aug 25, 2014 @ 11:04am

Stalemate Associate

Press the button!
Unlocked Aug 25, 2014 @ 12:04pm

Tater Tote

Carry science forward
Unlocked Sep 4, 2014 @ 6:06am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Sep 2, 2014 @ 11:55am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Sep 4, 2014 @ 6:45am

White Out

Complete the first Conversion Gel test
Unlocked Sep 4, 2014 @ 12:16pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Sep 9, 2014 @ 9:35am

Dual Pit Experiment

Do the same test twice
Unlocked Sep 7, 2014 @ 11:29am

The Part Where He Kills You

This is that part
Unlocked Sep 9, 2014 @ 9:36am

Lunacy

That just happened
Unlocked Sep 9, 2014 @ 10:46am

Drop Box

Place a cube on a button without touching the cube
Unlocked Aug 23, 2014 @ 9:18am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Jan 24, 2015 @ 7:14am

Pit Boss

Show that pit who's boss
Unlocked Dec 3, 2014 @ 9:19am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Dec 10, 2014 @ 2:56am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Jan 19, 2015 @ 7:22am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Jan 24, 2015 @ 7:31am

Good Listener

Take GLaDOS' escape advice
Unlocked Aug 25, 2014 @ 11:05am

Scanned Alone

Stand in a defective turret detector
Unlocked Aug 25, 2014 @ 12:04pm

No Hard Feelings

Save a turret from redemption
Unlocked Nov 29, 2014 @ 2:24pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Jan 30, 2015 @ 12:51pm

Ship Overboard

Discover the missing experiment
Unlocked Jan 30, 2015 @ 12:57pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked Jan 30, 2015 @ 12:57pm

Portrait of a Lady

Find a hidden portrait
Unlocked Feb 6, 2015 @ 9:46am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Dec 2, 2014 @ 12:38pm

Smash TV

Break 11 test chamber monitors
Unlocked Feb 6, 2015 @ 8:58am

High Five

Celebrate your cooperative calibration success
Unlocked Sep 28, 2014 @ 2:58am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Dec 3, 2014 @ 7:40am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Jan 27, 2015 @ 11:45am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Feb 6, 2015 @ 1:34pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Dec 11, 2014 @ 9:09am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Feb 6, 2015 @ 1:34pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked May 20, 2017 @ 1:41pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Dec 11, 2014 @ 8:05am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Feb 6, 2015 @ 12:43pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Dec 12, 2014 @ 3:25am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Dec 11, 2014 @ 9:07am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Dec 3, 2014 @ 7:41am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Aug 16, 2016 @ 11:22am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Dec 3, 2014 @ 7:48am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked May 20, 2017 @ 3:16pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Dec 12, 2014 @ 4:12am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked May 20, 2017 @ 2:01pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked May 22, 2017 @ 1:51pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Jan 27, 2015 @ 11:48am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Sep 25, 2015 @ 7:13am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Aug 16, 2016 @ 12:09pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked May 20, 2017 @ 2:21pm