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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Feb 9, 2016 @ 10:58am

You Monster

Reunite with GLaDOS
Unlocked Jan 29, 2018 @ 12:52am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Jan 29, 2018 @ 12:57am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Jan 29, 2018 @ 1:47am

SaBOTour

Make a break for it
Unlocked Jan 29, 2018 @ 2:49am

Stalemate Associate

Press the button!
Unlocked Jan 29, 2018 @ 3:30am

Tater Tote

Carry science forward
Unlocked Jan 29, 2018 @ 5:12am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Jan 29, 2018 @ 4:33am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Jan 29, 2018 @ 6:58am

White Out

Complete the first Conversion Gel test
Unlocked Jan 29, 2018 @ 7:19am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Jan 29, 2018 @ 9:37am

Dual Pit Experiment

Do the same test twice
Unlocked Jan 29, 2018 @ 7:50am

The Part Where He Kills You

This is that part
Unlocked Jan 29, 2018 @ 9:49am

Lunacy

That just happened
Unlocked Jan 29, 2018 @ 10:38am

Drop Box

Place a cube on a button without touching the cube
Unlocked Jan 29, 2018 @ 11:08am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Jul 9, 2018 @ 7:37am

Pit Boss

Show that pit who's boss
Unlocked Jan 29, 2018 @ 1:03pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Jan 29, 2018 @ 11:24am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Jan 29, 2018 @ 11:58am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Jan 29, 2018 @ 11:17am

Good Listener

Take GLaDOS' escape advice
Unlocked Jan 29, 2018 @ 2:50am

Scanned Alone

Stand in a defective turret detector
Unlocked Jan 29, 2018 @ 3:08am

No Hard Feelings

Save a turret from redemption
Unlocked Jan 29, 2018 @ 3:04am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Jan 29, 2018 @ 12:43pm

Ship Overboard

Discover the missing experiment
Unlocked Jan 29, 2018 @ 5:08am

Door Prize

Examine all the vitrified test chamber doors
Unlocked Jan 29, 2018 @ 12:49pm

Portrait of a Lady

Find a hidden portrait
Unlocked Jan 29, 2018 @ 12:57pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Jan 29, 2018 @ 1:13pm

Smash TV

Break 11 test chamber monitors
Unlocked Jul 9, 2018 @ 9:44am

High Five

Celebrate your cooperative calibration success
Unlocked Apr 19, 2018 @ 9:15am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Apr 20, 2018 @ 6:48am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Apr 25, 2018 @ 8:45am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Apr 28, 2018 @ 9:02am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Apr 28, 2018 @ 10:29am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Jun 29, 2018 @ 3:54am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Jul 7, 2018 @ 2:50am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Apr 28, 2018 @ 9:36am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Jul 7, 2018 @ 2:13am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Jul 7, 2018 @ 2:59am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Jul 11, 2018 @ 2:03am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Jul 7, 2018 @ 2:22am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Jul 22, 2018 @ 11:22pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Apr 25, 2018 @ 7:28am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Jul 11, 2018 @ 2:19am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Jul 11, 2018 @ 1:49am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Jul 7, 2018 @ 3:36am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Jul 11, 2018 @ 7:45am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Jul 11, 2018 @ 2:25am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Jul 7, 2018 @ 2:08am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Jul 9, 2018 @ 7:00am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Jul 7, 2018 @ 2:33am