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30 of 51 (59%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 7 Nov, 2011 @ 4:23pm

You Monster

Reunite with GLaDOS
Unlocked 7 Nov, 2011 @ 5:02pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 7 Nov, 2011 @ 5:10pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 8 Nov, 2011 @ 9:32am

SaBOTour

Make a break for it
Unlocked 10 Nov, 2011 @ 7:21am

Stalemate Associate

Press the button!
Unlocked 10 Nov, 2011 @ 8:19am

Tater Tote

Carry science forward
Unlocked 14 Nov, 2011 @ 8:23am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 10 Nov, 2011 @ 9:31am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 14 Nov, 2011 @ 9:02am

White Out

Complete the first Conversion Gel test
Unlocked 14 Nov, 2011 @ 9:25am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 14 Nov, 2011 @ 12:04pm

Dual Pit Experiment

Do the same test twice
Unlocked 14 Nov, 2011 @ 10:27am

The Part Where He Kills You

This is that part
Unlocked 12 Dec, 2011 @ 2:03am

Lunacy

That just happened
Unlocked 12 Dec, 2011 @ 3:41am

Drop Box

Place a cube on a button without touching the cube
Unlocked 7 Nov, 2011 @ 5:44pm

Scanned Alone

Stand in a defective turret detector
Unlocked 10 Nov, 2011 @ 7:43am

Portrait of a Lady

Find a hidden portrait
Unlocked 14 Nov, 2011 @ 8:37am

High Five

Celebrate your cooperative calibration success
Unlocked 28 Oct, 2013 @ 1:28pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 28 Oct, 2013 @ 2:22pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 1 Nov, 2013 @ 4:17pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 10 Nov, 2013 @ 8:52am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 20 Jan, 2014 @ 11:35am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 30 Oct, 2016 @ 8:58am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 6 Mar, 2022 @ 10:04am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 10 Nov, 2013 @ 9:36am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 21 Sep, 2017 @ 12:41pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 18 Sep, 2017 @ 12:23pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 30 Oct, 2016 @ 7:29am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 3 Mar, 2022 @ 2:24pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 29 Dec, 2013 @ 2:52pm



Overclocker

Complete Test Chamber 10 in 70 seconds

Pit Boss

Show that pit who's boss

Preservation of Mass

Break the rules in Test Chamber 07

Pturretdactyl

Use an Aerial Faith Plate to launch a turret

Final Transmission

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

Good Listener

Take GLaDOS' escape advice

No Hard Feelings

Save a turret from redemption

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

You Made Your Point

Refuse to solve the first test in Chapter 8

Smash TV

Break 11 test chamber monitors

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

Still Alive

Complete Course 4 with neither you nor your co-op partner dying

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses

Friends List With Benefits

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

Talent Show

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