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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 28 Feb, 2017 @ 1:36pm

You Monster

Reunite with GLaDOS
Unlocked 2 Mar, 2017 @ 8:36am

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 2 Mar, 2017 @ 8:41am

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 2 Mar, 2017 @ 11:52pm

SaBOTour

Make a break for it
Unlocked 5 Mar, 2017 @ 11:55pm

Stalemate Associate

Press the button!
Unlocked 7 Mar, 2017 @ 2:33pm

Tater Tote

Carry science forward
Unlocked 9 Mar, 2017 @ 8:24am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 8 Mar, 2017 @ 11:32pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 9 Mar, 2017 @ 8:54am

White Out

Complete the first Conversion Gel test
Unlocked 11 Mar, 2017 @ 12:20am

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 11 Mar, 2017 @ 11:04am

Dual Pit Experiment

Do the same test twice
Unlocked 11 Mar, 2017 @ 1:21am

The Part Where He Kills You

This is that part
Unlocked 11 Mar, 2017 @ 11:26am

Lunacy

That just happened
Unlocked 11 Mar, 2017 @ 12:36pm

Drop Box

Place a cube on a button without touching the cube
Unlocked 2 Mar, 2017 @ 11:27pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 2 Mar, 2017 @ 11:49pm

Pit Boss

Show that pit who's boss
Unlocked 11 Mar, 2017 @ 11:28am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 2 Mar, 2017 @ 11:33pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 2 Mar, 2017 @ 11:25pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 2 Mar, 2017 @ 11:20pm

Good Listener

Take GLaDOS' escape advice
Unlocked 5 Mar, 2017 @ 11:56pm

Scanned Alone

Stand in a defective turret detector
Unlocked 6 Mar, 2017 @ 11:46pm

No Hard Feelings

Save a turret from redemption
Unlocked 6 Mar, 2017 @ 11:40pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 8 Mar, 2017 @ 11:56pm

Ship Overboard

Discover the missing experiment
Unlocked 9 Mar, 2017 @ 8:13am

Door Prize

Examine all the vitrified test chamber doors
Unlocked 9 Mar, 2017 @ 8:13am

Portrait of a Lady

Find a hidden portrait
Unlocked 9 Mar, 2017 @ 8:40am

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 11 Mar, 2017 @ 1:20am

Smash TV

Break 11 test chamber monitors
Unlocked 11 Mar, 2017 @ 11:17am

High Five

Celebrate your cooperative calibration success
Unlocked 19 Feb, 2017 @ 6:43am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 19 Feb, 2017 @ 7:21am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 19 Feb, 2017 @ 8:22am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 20 Feb, 2017 @ 1:45pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 29 Mar, 2017 @ 2:57pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 3 Apr, 2017 @ 12:14pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 25 Mar, 2017 @ 11:08am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 27 Mar, 2017 @ 1:08pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 20 Feb, 2017 @ 1:19pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 20 Feb, 2017 @ 12:33pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 29 Mar, 2017 @ 2:54pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 19 Feb, 2017 @ 7:22am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked 5 May, 2017 @ 1:34pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 19 Feb, 2017 @ 7:27am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 25 Mar, 2017 @ 12:06pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 24 Mar, 2017 @ 2:14pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 24 Mar, 2017 @ 2:34pm

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 16 May, 2017 @ 1:12pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 1 Apr, 2017 @ 9:21am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 19 Feb, 2017 @ 7:04am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked 5 May, 2017 @ 1:51pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 21 Apr, 2017 @ 9:31am