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44 of 51 (86%) Achievements Earned::

Personal Achievements
 

Wake Up Call

Survive the manual override
Unlocked Apr 19, 2011 @ 4:43pm

You Monster

Reunite with GLaDOS
Unlocked Apr 19, 2011 @ 5:33pm

Undiscouraged

Complete the first Thermal Discouragement Beam test
Unlocked Apr 19, 2011 @ 5:35pm

Bridge Over Troubling Water

Complete the first Hard Light Bridge test
Unlocked Apr 20, 2011 @ 1:02pm

SaBOTour

Make a break for it
Unlocked Apr 20, 2011 @ 5:45pm

Stalemate Associate

Press the button!
Unlocked Apr 20, 2011 @ 6:45pm

Tater Tote

Carry science forward
Unlocked Apr 22, 2011 @ 8:36am

Vertically Unchallenged

Master the Repulsion Gel
Unlocked Apr 22, 2011 @ 7:46am

Stranger Than Friction

Master the Propulsion Gel
Unlocked Apr 22, 2011 @ 1:27pm

White Out

Complete the first Conversion Gel test
Unlocked Apr 22, 2011 @ 1:57pm

Tunnel of Funnel

Master the Excursion Funnel
Unlocked Apr 23, 2011 @ 10:10am

Dual Pit Experiment

Do the same test twice
Unlocked Apr 23, 2011 @ 6:43am

The Part Where He Kills You

This is that part
Unlocked Apr 23, 2011 @ 10:31am

Lunacy

That just happened
Unlocked Apr 23, 2011 @ 11:24am

Drop Box

Place a cube on a button without touching the cube
Unlocked Apr 19, 2011 @ 6:11pm

Overclocker

Complete Test Chamber 10 in 70 seconds
Unlocked Jun 26, 2018 @ 6:47am

Pit Boss

Show that pit who's boss
Unlocked Jun 26, 2018 @ 10:15am

Preservation of Mass

Break the rules in Test Chamber 07
Unlocked Jun 25, 2018 @ 8:51pm

Pturretdactyl

Use an Aerial Faith Plate to launch a turret
Unlocked Apr 20, 2011 @ 1:54pm

Final Transmission

Find the hidden signal in one of the Rat Man's dens
Unlocked Jun 8, 2011 @ 1:18pm

Good Listener

Take GLaDOS' escape advice
Unlocked Jun 7, 2011 @ 6:10pm

Scanned Alone

Stand in a defective turret detector
Unlocked Apr 20, 2011 @ 6:21pm

No Hard Feelings

Save a turret from redemption
Unlocked Oct 8, 2011 @ 7:55am

Schrodinger's Catch

Catch a blue-painted box before it touches the ground
Unlocked Jun 26, 2018 @ 8:33am

Ship Overboard

Discover the missing experiment
Unlocked Jun 26, 2018 @ 8:41am

Door Prize

Examine all the vitrified test chamber doors
Unlocked Jun 26, 2018 @ 8:41am

Portrait of a Lady

Find a hidden portrait
Unlocked Jun 8, 2011 @ 4:08pm

You Made Your Point

Refuse to solve the first test in Chapter 8
Unlocked Jun 9, 2011 @ 1:03pm

High Five

Celebrate your cooperative calibration success
Unlocked Apr 22, 2011 @ 6:55am

Team Building

Complete all test chambers in the Team Building co-op course
Unlocked Apr 22, 2011 @ 7:33am

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
Unlocked May 16, 2011 @ 9:18am

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course
Unlocked Jun 24, 2018 @ 4:02pm

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course
Unlocked Jun 24, 2018 @ 5:22pm

You Saved Science

Complete all test chambers in all courses of co-op
Unlocked Jun 24, 2018 @ 6:50pm

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Unlocked Jun 25, 2018 @ 9:58am

Gesticul-8

Perform all 8 gestures of your own volition in co-op
Unlocked Jul 5, 2013 @ 3:57pm

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op
Unlocked May 19, 2011 @ 5:11pm

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them
Unlocked Jun 25, 2018 @ 10:01am

Party of Three

Find the hidden companion cube in co-op test chamber
Unlocked Jun 25, 2018 @ 10:34am

Narbacular Drop

Place a portal under your co-op partner while they are gesturing
Unlocked May 17, 2011 @ 1:06pm

Air Show

Perform 2 aerial gestures before touching the ground in co-op
Unlocked Apr 25, 2011 @ 3:16pm

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses
Unlocked Jun 23, 2018 @ 8:32pm

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row
Unlocked Oct 4, 2011 @ 5:20pm

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Unlocked Jun 25, 2018 @ 10:27am



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

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

Four Ring Circus

Enter 4 different portals without touching the ground in co-op

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each

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