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51 of 51 (100%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Mar 25, 2021 @ 9:03pm

You Monster

Reunite with GLaDOS
Unlocked Mar 25, 2021 @ 9:25pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Mar 25, 2021 @ 9:31pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Mar 25, 2021 @ 9:58pm

SaBOTour

Make a break for it
Unlocked Mar 26, 2021 @ 1:31am

Stalemate Associate

Press the button!
Unlocked Mar 26, 2021 @ 1:57am

Tater Tote

Carry science forward
Unlocked Mar 26, 2021 @ 6:43pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Mar 26, 2021 @ 3:43am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Mar 26, 2021 @ 6:54pm

White Out

Complete the first Conversion Gel test
Unlocked Mar 26, 2021 @ 7:06pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Mar 28, 2021 @ 6:42pm

Dual Pit Experiment

Do the same test twice
Unlocked Mar 26, 2021 @ 7:35pm

The Part Where He Kills You

This is that part
Unlocked Mar 28, 2021 @ 6:51pm

Lunacy

That just happened
Unlocked Mar 28, 2021 @ 7:18pm

Drop Box

Place a cube on a button without touching the cube
Unlocked Mar 28, 2021 @ 8:12pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Mar 29, 2021 @ 8:23pm

Pit Boss

Show that pit who's boss
Unlocked Mar 29, 2021 @ 10:08pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Mar 29, 2021 @ 8:16pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Mar 29, 2021 @ 8:05pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Mar 29, 2021 @ 8:13pm

Good Listener

Take GLaDOS' escape advice
Unlocked Mar 26, 2021 @ 1:32am

Scanned Alone

Stand in a defective turret detector
Unlocked Mar 26, 2021 @ 1:44am

No Hard Feelings

Save a turret from redemption
Unlocked Mar 29, 2021 @ 8:29pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Mar 29, 2021 @ 8:44pm

Ship Overboard

Discover the missing experiment
Unlocked Mar 29, 2021 @ 9:13pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked Mar 29, 2021 @ 8:49pm

Portrait of a Lady

Find a hidden portrait
Unlocked Mar 26, 2021 @ 6:48pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Mar 29, 2021 @ 10:12pm

Smash TV

Break 11 test chamber monitors
Unlocked Mar 29, 2021 @ 10:04pm

High Five

Celebrate your cooperative calibration success
Unlocked Mar 30, 2021 @ 5:38am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Mar 30, 2021 @ 5:58am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked Mar 30, 2021 @ 6:35am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Mar 30, 2021 @ 7:29am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Mar 30, 2021 @ 9:26am

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Apr 1, 2021 @ 5:36am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Mar 30, 2021 @ 8:10am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Mar 30, 2021 @ 8:59am

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked Mar 30, 2021 @ 8:31am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Mar 30, 2021 @ 8:13am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Apr 1, 2021 @ 6:36am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked Mar 30, 2021 @ 6:06am

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Unlocked Apr 1, 2021 @ 8:32am

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Mar 30, 2021 @ 6:05am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked Mar 30, 2021 @ 8:28am

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked Mar 30, 2021 @ 8:39am

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked Mar 30, 2021 @ 7:54am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked Apr 1, 2021 @ 7:02am

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Apr 1, 2021 @ 7:32am

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Mar 30, 2021 @ 5:51am

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list
Unlocked Apr 1, 2021 @ 4:26am

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Apr 1, 2021 @ 7:13am