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25 of 51 (49%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 19 Apr, 2011 @ 9:25pm

You Monster

Reunite with GLaDOS
Unlocked 19 Apr, 2011 @ 9:59pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 19 Apr, 2011 @ 10:06pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 20 Apr, 2011 @ 6:37pm

SaBOTour

Make a break for it
Unlocked 22 Apr, 2011 @ 9:21pm

Stalemate Associate

Press the button!
Unlocked 22 Apr, 2011 @ 10:00pm

Tater Tote

Carry science forward
Unlocked 28 Apr, 2011 @ 9:05pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 27 Apr, 2011 @ 8:49pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 28 Apr, 2011 @ 9:32pm

White Out

Complete the first Conversion Gel test
Unlocked 29 Apr, 2011 @ 9:03pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 29 Apr, 2011 @ 11:05pm

Dual Pit Experiment

Do the same test twice
Unlocked 29 Apr, 2011 @ 10:10pm

The Part Where He Kills You

This is that part
Unlocked 30 Apr, 2011 @ 2:40pm

Lunacy

That just happened
Unlocked 30 Apr, 2011 @ 3:16pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 23 Dec, 2017 @ 10:48am

Pit Boss

Show that pit who's boss
Unlocked 10 Sep, 2023 @ 8:22am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 20 Apr, 2011 @ 6:08pm

Good Listener

Take GLaDOS' escape advice
Unlocked 23 Dec, 2017 @ 5:14pm

Scanned Alone

Stand in a defective turret detector
Unlocked 22 Apr, 2011 @ 9:45pm

No Hard Feelings

Save a turret from redemption
Unlocked 22 Apr, 2011 @ 9:40pm

Portrait of a Lady

Find a hidden portrait
Unlocked 28 Apr, 2011 @ 9:18pm

High Five

Celebrate your cooperative calibration success
Unlocked 22 Apr, 2011 @ 10:27pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 27 Apr, 2011 @ 9:21pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 27 Apr, 2011 @ 10:17pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 27 Apr, 2011 @ 9:31pm



Overclocker

Complete Test Chamber 10 in 70 seconds

Pturretdactyl

Use an Aerial Faith Plate to launch a turret

Final Transmission

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

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

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course

You Saved Science

Complete all test chambers in all courses of co-op

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

Gesticul-8

Perform all 8 gestures of your own volition in co-op

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

Asking for Trouble

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

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

Talent Show

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