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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 6 Jan @ 10:49am

You Monster

Reunite with GLaDOS
Unlocked 6 Jan @ 11:05am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 6 Jan @ 11:08am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 6 Jan @ 11:33am

SaBOTour

Make a break for it
Unlocked 6 Jan @ 12:00pm

Stalemate Associate

Press the button!
Unlocked 6 Jan @ 12:21pm

Tater Tote

Carry science forward
Unlocked 6 Jan @ 1:01pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 6 Jan @ 12:45pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 6 Jan @ 1:22pm

White Out

Complete the first Conversion Gel test
Unlocked 6 Jan @ 1:33pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 6 Jan @ 2:46pm

Dual Pit Experiment

Do the same test twice
Unlocked 6 Jan @ 1:58pm

The Part Where He Kills You

This is that part
Unlocked 6 Jan @ 2:58pm

Lunacy

That just happened
Unlocked 6 Jan @ 3:20pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 6 Jan @ 11:20am

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 6 Jan @ 11:50am

Pit Boss

Show that pit who's boss
Unlocked 6 Jan @ 3:00pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 6 Jan @ 11:23am

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 6 Jan @ 11:17am

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 6 Jan @ 11:19am

Good Listener

Take GLaDOS' escape advice
Unlocked 6 Jan @ 12:01pm

Scanned Alone

Stand in a defective turret detector
Unlocked 6 Jan @ 12:10pm

No Hard Feelings

Save a turret from redemption
Unlocked 6 Jan @ 12:08pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 6 Jan @ 12:50pm

Ship Overboard

Discover the missing experiment
Unlocked 6 Jan @ 12:57pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 6 Jan @ 12:57pm

Portrait of a Lady

Find a hidden portrait
Unlocked 6 Jan @ 1:06pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 6 Jan @ 1:58pm

Smash TV

Break 11 test chamber monitors
Unlocked 6 Jan @ 2:56pm

High Five

Celebrate your cooperative calibration success
Unlocked 29 Mar @ 3:59pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 29 Mar @ 4:23pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 29 Mar @ 5:10pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 29 Mar @ 6:13pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 30 Mar @ 2:50pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 30 Mar @ 4:24pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 30 Mar @ 4:53pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 30 Mar @ 2:06pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 29 Mar @ 6:46pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 29 Mar @ 6:44pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 6 Apr @ 3:22pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 29 Mar @ 6:44pm

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 6 Apr @ 3:20pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 29 Mar @ 4:31pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 30 Mar @ 4:56pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 31 Mar @ 4:54am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 30 Mar @ 5:00pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 31 Mar @ 3:13am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 30 Mar @ 4:52pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 29 Mar @ 6:49pm

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 6 Apr @ 3:20pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 30 Mar @ 5:09pm