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41 of 51 (80%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked 12 Aug, 2015 @ 11:51am

You Monster

Reunite with GLaDOS
Unlocked 12 Aug, 2015 @ 12:41pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked 12 Aug, 2015 @ 12:46pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked 12 Aug, 2015 @ 1:44pm

SaBOTour

Make a break for it
Unlocked 12 Aug, 2015 @ 8:52pm

Stalemate Associate

Press the button!
Unlocked 13 Aug, 2015 @ 9:54am

Tater Tote

Carry science forward
Unlocked 14 Aug, 2015 @ 6:41pm

Vertically Unchallenged

Master the Repulsion Gel
Unlocked 14 Aug, 2015 @ 6:17pm

Stranger Than Friction

Master the Propulsion Gel
Unlocked 14 Aug, 2015 @ 7:09pm

White Out

Complete the first Conversion Gel test
Unlocked 14 Aug, 2015 @ 7:41pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked 15 Aug, 2015 @ 11:13am

Dual Pit Experiment

Do the same test twice
Unlocked 14 Aug, 2015 @ 8:29pm

The Part Where He Kills You

This is that part
Unlocked 15 Aug, 2015 @ 11:28am

Lunacy

That just happened
Unlocked 15 Aug, 2015 @ 11:55am

Drop Box

Place a cube on a button without touching the cube
Unlocked 9 Sep, 2019 @ 6:12pm

Pit Boss

Show that pit who's boss
Unlocked 15 Mar, 2022 @ 1:10pm

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked 12 Aug, 2015 @ 1:13pm

No Hard Feelings

Save a turret from redemption
Unlocked 13 Aug, 2015 @ 9:34am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked 15 Mar, 2022 @ 2:43pm

Ship Overboard

Discover the missing experiment
Unlocked 15 Mar, 2022 @ 2:53pm

Door Prize

Examine all the vitrified test chamber doors
Unlocked 15 Mar, 2022 @ 2:53pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked 14 Aug, 2015 @ 8:28pm

High Five

Celebrate your cooperative calibration success
Unlocked 15 Aug, 2015 @ 12:09pm

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked 14 Mar, 2022 @ 7:10pm

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked 14 Mar, 2022 @ 8:12pm

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked 14 Mar, 2022 @ 10:28pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked 15 Mar, 2022 @ 5:23pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked 15 Mar, 2022 @ 7:20pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked 14 Mar, 2022 @ 7:55pm

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked 15 Mar, 2022 @ 4:49pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked 14 Mar, 2022 @ 10:10pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked 14 Mar, 2022 @ 8:15pm

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked 15 Mar, 2022 @ 5:32pm

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked 14 Mar, 2022 @ 6:33pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked 8 Sep, 2015 @ 3:54pm

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Unlocked 14 Mar, 2022 @ 9:10pm

Four Ring Circus

Enter 4 different portals without touching the ground in co-op
Unlocked 14 Mar, 2022 @ 9:16pm

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Unlocked 14 Mar, 2022 @ 9:39pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked 15 Mar, 2022 @ 5:48pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked 14 Mar, 2022 @ 7:14pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked 15 Mar, 2022 @ 7:30pm



Overclocker

Complete Test Chamber 10 in 70 seconds

Pturretdactyl

Use an Aerial Faith Plate to launch a turret

Final Transmission

Find the hidden signal in one of the Rat Man's dens

Good Listener

Take GLaDOS' escape advice

Scanned Alone

Stand in a defective turret detector

Portrait of a Lady

Find a hidden portrait

Smash TV

Break 11 test chamber monitors

Professor Portal

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

Still Alive

Complete Course 4 with neither you nor your co-op partner dying

Friends List With Benefits

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