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48 of 51 (94%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 3 Aug, 2017 @ 2:53pm

You Monster

Reunite with GLaDOS
Unlocked 3 Aug, 2017 @ 3:11pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 3 Aug, 2017 @ 3:17pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 3 Aug, 2017 @ 3:39pm

SaBOTour

Make a break for it
Unlocked 3 Aug, 2017 @ 4:02pm

Stalemate Associate

Press the button!
Unlocked 3 Aug, 2017 @ 4:21pm

Tater Tote

Carry science forward
Unlocked 3 Aug, 2017 @ 4:48pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 3 Aug, 2017 @ 4:41pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 3 Aug, 2017 @ 4:59pm

White Out

Complete the first Conversion Gel test
Unlocked 3 Aug, 2017 @ 5:04pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 4 Aug, 2017 @ 11:19am

Dual Pit Experiment

Do the same test twice
Unlocked 3 Aug, 2017 @ 5:18pm

The Part Where He Kills You

This is that part
Unlocked 4 Aug, 2017 @ 11:23am

Lunacy

That just happened
Unlocked 4 Aug, 2017 @ 11:38am

Drop Box

Place a cube on a button without touching the cube
Unlocked 3 Aug, 2017 @ 3:28pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked 3 Jul, 2019 @ 2:27pm

Pit Boss

Show that pit who's boss
Unlocked 4 Aug, 2017 @ 11:23am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 3 Aug, 2017 @ 3:30pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked 4 Aug, 2017 @ 11:03pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked 3 Aug, 2017 @ 3:27pm

Good Listener

Take GLaDOS' escape advice
Unlocked 3 Aug, 2017 @ 4:03pm

Scanned Alone

Stand in a defective turret detector
Unlocked 3 Jul, 2019 @ 2:33pm

No Hard Feelings

Save a turret from redemption
Unlocked 3 Aug, 2017 @ 4:10pm

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 3 Jul, 2019 @ 2:50pm

Ship Overboard

Discover the missing experiment
Unlocked 3 Aug, 2017 @ 4:52pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 3 Aug, 2017 @ 4:52pm

Portrait of a Lady

Find a hidden portrait
Unlocked 3 Aug, 2017 @ 4:55pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 5 Aug, 2017 @ 7:24am

Smash TV

Break 11 test chamber monitors
Unlocked 3 Jul, 2019 @ 3:26pm

High Five

Celebrate your cooperative calibration success
Unlocked 7 Aug, 2017 @ 9:32am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 7 Aug, 2017 @ 9:47am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 7 Aug, 2017 @ 10:10am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 7 Aug, 2017 @ 10:44am

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 15 Feb, 2021 @ 11:24pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 16 Feb, 2021 @ 12:16am

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 24 Mar, 2023 @ 5:14pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 5 Jul, 2019 @ 10:32pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 7 Aug, 2017 @ 10:31am

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 24 Mar, 2023 @ 5:22pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 19 Sep, 2023 @ 7:07pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 5 Jul, 2019 @ 10:12pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 7 Aug, 2017 @ 10:53am

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 24 Mar, 2023 @ 5:38pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 15 Feb, 2021 @ 11:59pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 7 Aug, 2017 @ 9:53am

Still Alive

Complete Course 4 with neither you nor your co-op partner dying
Unlocked 19 Sep, 2023 @ 6:40pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 16 Sep, 2023 @ 4:01pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 19 Sep, 2023 @ 6:55pm



Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before

Asking for Trouble

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

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list