Portal 2

95

Valve · Valve · 2011

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

Available on 4 platforms.

SteamSteamSteam

Portal 2 · 1 tracked players · 51 achievements

Steam
  • Still Alive

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

    43 FC2.4% of players
  • Talent Show

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

    43 FC2.7% of players
  • Portal Conservation Society

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

    43 FC2.8% of players
  • Triple Crown

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

    43 FC3.0% of players
  • Iron Grip

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

    43 FC3.6% of players
  • Party of Three

    Find the hidden companion cube in co-op test chamber

    43 FC3.6% of players
  • Smash TV

    Break 11 test chamber monitors

    42 FC3.7% of players
  • Overclocker

    Complete Test Chamber 10 in 70 seconds

    42 FC4.0% of players
  • Friends List With Benefits

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

    42 FC4.5% of players
  • Empty Gesture

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

    42 FC4.6% of players
  • Final Transmission

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

    41 FC5.4% of players
  • Narbacular Drop

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

    41 FC5.8% of players
  • Professor Portal

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

    41 FC5.9% of players
  • You Made Your Point

    Refuse to solve the first test in Chapter 8

    41 FC6.6% of players
  • Four Ring Circus

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

    41 FC6.8% of players
  • Schrodinger's Catch

    Catch a blue-painted box before it touches the ground

    41 FC6.9% of players
  • Door Prize

    Examine all the vitrified test chamber doors

    40 FC7.2% of players
  • Pit Boss

    Show that pit who's boss

    40 FC7.9% of players
  • Pturretdactyl

    Use an Aerial Faith Plate to launch a turret

    39 FC8.7% of players
  • Asking for Trouble

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

    39 FC8.9% of players
  • Can't Touch This

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

    39 FC9.8% of players
  • Rock Portal Scissors

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

    39 FC9.8% of players
  • Ship Overboard

    Discover the missing experiment

    38 FC11% of players
  • Portrait of a Lady

    Find a hidden portrait

    38 FC12% of players
  • You Saved Science

    Complete all test chambers in all courses of co-op

    32 FC21% of players
  • Preservation of Mass

    Break the rules in Test Chamber 07

    30 FC24% of players
  • Obstacle Building

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

    29 FC26% of players
  • Gesticul-8

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

    29 FC27% of players
  • Good Listener

    Take GLaDOS' escape advice

    28 FC28% of players
  • Drop Box

    Place a cube on a button without touching the cube

    28 FC29% of players
  • No Hard Feelings

    Save a turret from redemption

    27 FC31% of players
  • Bridge Building

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

    26 FC32% of players
  • Air Show

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

    26 FC33% of players
  • Lunacy

    That just happened

    25 FC34% of players
  • 25 FC34% of players
  • Scanned Alone

    Stand in a defective turret detector

    25 FC35% of players
  • Tunnel of Funnel

    Master the Excursion Funnel

    25 FC35% of players
  • Dual Pit Experiment

    Do the same test twice

    24 FC37% of players
  • White Out

    Complete the first Conversion Gel test

    23 FC38% of players
  • Stranger Than Friction

    Master the Propulsion Gel

    23 FC39% of players
  • Confidence Building

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

    22 FC41% of players
  • Tater Tote

    Carry science forward

    22 FC41% of players
  • Vertically Unchallenged

    Master the Repulsion Gel

    21 FC43% of players
  • Stalemate Associate

    Press the button!

    20 FC46% of players
  • SaBOTour

    Make a break for it

    20 FC47% of players
  • Team Building

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

    18 FC49% of players
  • Bridge Over Troubling Water

    Complete the first Hard Light Bridge test

    17 FC53% of players
  • High Five

    Celebrate your cooperative calibration success

    15 FC59% of players
  • Undiscouraged

    Complete the first Thermal Discouragement Beam test

    13 FC63% of players
  • You Monster

    Reunite with GLaDOS

    12 FC65% of players
  • Wake Up Call

    Survive the manual override

    10 FC74% of players