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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 30 Apr, 2011 @ 1:36am

You Monster

Reunite with GLaDOS
Unlocked 30 Apr, 2011 @ 2:27am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 30 Apr, 2011 @ 2:43am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 30 Apr, 2011 @ 3:52am

SaBOTour

Make a break for it
Unlocked 30 Apr, 2011 @ 5:55am

Stalemate Associate

Press the button!
Unlocked 30 Apr, 2011 @ 6:40am

Tater Tote

Carry science forward
Unlocked 30 Apr, 2011 @ 9:04am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 30 Apr, 2011 @ 8:28am

Stranger Than Friction

Master the Propulsion Gel
Unlocked 30 Apr, 2011 @ 9:49am

White Out

Complete the first Conversion Gel test
Unlocked 30 Apr, 2011 @ 10:08am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 30 Apr, 2011 @ 12:06pm

Dual Pit Experiment

Do the same test twice
Unlocked 30 Apr, 2011 @ 10:39am

The Part Where He Kills You

This is that part
Unlocked 30 Apr, 2011 @ 12:31pm

Lunacy

That just happened
Unlocked 30 Apr, 2011 @ 1:38pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 3 May, 2011 @ 5:23am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 4 May, 2011 @ 12:39pm

Pit Boss

Show that pit who's boss
Unlocked 30 Apr, 2011 @ 12:32pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 30 Apr, 2011 @ 3:24am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 1 May, 2011 @ 1:00am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 2 May, 2011 @ 7:41am

Good Listener

Take GLaDOS' escape advice
Unlocked 1 May, 2011 @ 1:06am

Scanned Alone

Stand in a defective turret detector
Unlocked 30 Apr, 2011 @ 6:14am

No Hard Feelings

Save a turret from redemption
Unlocked 1 May, 2011 @ 1:27am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 4 May, 2011 @ 1:26pm

Ship Overboard

Discover the missing experiment
Unlocked 2 May, 2011 @ 6:34am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 2 May, 2011 @ 6:34am

Portrait of a Lady

Find a hidden portrait
Unlocked 2 May, 2011 @ 6:49am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 1 May, 2011 @ 8:53am

Smash TV

Break 11 test chamber monitors
Unlocked 7 May, 2011 @ 12:18pm

High Five

Celebrate your cooperative calibration success
Unlocked 1 May, 2011 @ 10:46pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 1 May, 2011 @ 11:11pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 2 May, 2011 @ 12:03am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 2 May, 2011 @ 1:26am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 2 May, 2011 @ 3:21am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 2 May, 2011 @ 5:14am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 2 Jul, 2011 @ 6:04am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 2 May, 2011 @ 2:30am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 2 May, 2011 @ 12:37am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 2 Jul, 2011 @ 4:37am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 9 May, 2011 @ 5:28am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 2 Jul, 2011 @ 4:34am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 3 May, 2011 @ 7:39am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 1 May, 2011 @ 11:19pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 2 Jul, 2011 @ 5:50am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 10 Jul, 2011 @ 12:56pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 25 Feb, 2022 @ 9:55am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 14 Feb @ 10:56pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 2 May, 2011 @ 3:36am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 2 Jul, 2011 @ 5:31am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 27 Nov, 2011 @ 9:25pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 10 Jul, 2011 @ 1:04pm