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28 of 51 (55%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 18 Apr, 2011 @ 9:55pm

You Monster

Reunite with GLaDOS
Unlocked 18 Apr, 2011 @ 10:15pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 18 Apr, 2011 @ 10:21pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 19 Apr, 2011 @ 5:35am

SaBOTour

Make a break for it
Unlocked 19 Apr, 2011 @ 6:38am

Stalemate Associate

Press the button!
Unlocked 19 Apr, 2011 @ 7:10am

Tater Tote

Carry science forward
Unlocked 19 Apr, 2011 @ 8:54pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 19 Apr, 2011 @ 8:28am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 20 Apr, 2011 @ 6:37pm

White Out

Complete the first Conversion Gel test
Unlocked 20 Apr, 2011 @ 6:55pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 20 Apr, 2011 @ 8:35pm

Dual Pit Experiment

Do the same test twice
Unlocked 20 Apr, 2011 @ 7:21pm

The Part Where He Kills You

This is that part
Unlocked 20 Apr, 2011 @ 8:48pm

Lunacy

That just happened
Unlocked 20 Apr, 2011 @ 9:18pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 22 Nov, 2012 @ 11:48pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 21 Apr, 2011 @ 10:38pm

Good Listener

Take GLaDOS' escape advice
Unlocked 23 Nov, 2012 @ 5:55pm

No Hard Feelings

Save a turret from redemption
Unlocked 19 Apr, 2011 @ 6:51am

High Five

Celebrate your cooperative calibration success
Unlocked 19 Apr, 2011 @ 2:25am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 19 Apr, 2011 @ 2:53am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 19 Apr, 2011 @ 3:55am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 20 Apr, 2011 @ 11:45pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 21 Apr, 2011 @ 10:02am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 21 Apr, 2011 @ 11:46am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 21 Apr, 2011 @ 12:21am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 19 Apr, 2011 @ 3:05am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 1 Jul, 2013 @ 4:26am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 24 Aug, 2019 @ 10:10pm



Overclocker

Complete Test Chamber 10 in 70 seconds

Pit Boss

Show that pit who's boss

Pturretdactyl

Use an Aerial Faith Plate to launch a turret

Final Transmission

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

Scanned Alone

Stand in a defective turret detector

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

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op

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

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

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list