Portal 2

The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
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  • Wake Up Call


    Survive the manual override

  • You Monster


    Reunite with GLaDOS

  • Undiscouraged


    Complete the first Thermal Discouragement Beam test

  • Bridge Over Troubling Water


    Complete the first Hard Light Bridge test

  • SaBOTour


    Make a break for it

  • Stalemate Associate


    Press the button!

  • Tater Tote


    Carry science forward

  • Vertically Unchallenged


    Master the Repulsion Gel

  • Stranger Than Friction


    Master the Propulsion Gel

  • White Out


    Complete the first Conversion Gel test

  • Tunnel of Funnel


    Master the Excursion Funnel

  • Dual Pit Experiment


    Do the same test twice

  • The Part Where He Kills You


    This is that part

  • Lunacy


    That just happened

  • Drop Box


    Place a cube on a button without touching the cube

  • Preservation of Mass


    Break the rules in Test Chamber 07

  • Good Listener


    Take GLaDOS' escape advice

  • No Hard Feelings


    Save a turret from redemption

  • High Five


    Celebrate your cooperative calibration success

  • Team Building


    Complete all test chambers in the Team Building co-op course

  • Overclocker

    Complete Test Chamber 10 in 70 seconds

  • Pit Boss

    Show that pit who's boss

  • Pturretdactyl

    Use an Aerial Faith Plate to launch a turret

  • Final Transmission

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

  • Scanned Alone

    Stand in a defective turret detector

  • Schrodinger's Catch

    Catch a blue-painted box before it touches the ground

  • Ship Overboard

    Discover the missing experiment

  • Door Prize

    Examine all the vitrified test chamber doors

  • Portrait of a Lady

    Find a hidden portrait

  • You Made Your Point

    Refuse to solve the first test in Chapter 8

  • Smash TV

    Break 11 test chamber monitors

  • Confidence Building

    Complete all test chambers in the Mass and Velocity co-op course

  • Bridge Building

    Complete all test chambers in the Hard-Light Surfaces co-op course

  • Obstacle Building

    Complete all test chambers in the Excursion Funnels co-op course

  • You Saved Science

    Complete all test chambers in all courses of co-op

  • Iron Grip

    Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

  • Gesticul-8

    Perform all 8 gestures of your own volition in co-op

  • Can't Touch This

    Dance in front of a turret blocked by a hard light bridge in co-op

  • Empty Gesture

    Drop your co-op partner in goo while they are gesturing by removing the bridge under them

  • Party of Three

    Find the hidden companion cube in co-op test chamber

  • Narbacular Drop

    Place a portal under your co-op partner while they are gesturing

  • Professor Portal

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

  • Air Show

    Perform 2 aerial gestures before touching the ground in co-op

  • 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

  • Asking for Trouble

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

  • Rock Portal Scissors

    Win 3 co-op games of rock-paper-scissors in a row

  • Friends List With Benefits

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

  • Talent Show

    Never lose a cube in Chamber 6 of the Mobility Gels co-op course