Portal 2 Achievements revealed, prompt more Half-Life 2: Episode 3 speculation

All fifty Portal 2 Achievements have been revealed by Xbox 360 Achievements. The list is rife with the expected inside jokes and word-play (Still Alive, Pturretdactyl, Bridge Over Troubling Water), but one in particular has a the internet talking with its fingers.

The "Ship Overboard" Achievement bears the description, "Discover the missing experiment." Could it be referring to the Borealis - the Aperture project mentioned in Half-Life 2: Episode Two? Speculate away! The full list is below:

  • Pit Boss (30)
    Show that pit who's boss
  • Preservation of Mass (20)
    Break the rules in Test Chamber 07
  • Pturretdactyl (5)
    Use an Aerial Faith Plate to launch a turret
  • Lunacy (20)
    That just happened
  • Drop Box (20)
    Place a cube on a button without touching the cube
  • Overclocker (30)
    Complete Test Chamber 10 in 70 seconds
  • No Hard Feelings (10)
    Save a turret from redemption
  • Schrodinger's Catch (20)
    Catch a blue-painted box before it touches the ground
  • Ship Overboard (10)
    Discover the missing experiment
  • Final Transmission (20)
    Find the hidden signal in one of the Rat Man's dens
  • Good Listener (5)
    Take GLaDOS' escape advice
  • Scanned Alone (5)
    Stand in a defective turret detector
  • The Part Where He Kills You (20)
    This is that part
  • Bridge Over Troubling Water (10)
    Complete the first Hard Light Bridge test
  • SaBOTour (10)
    Make a break for it
  • Stalemate Associate (15)
    Press the button!
  • Wake Up Call (5)
    Survive the manual override
  • You Monster (5)
    Reunite with GLaDOS
  • Undiscouraged (10)
    Complete the first Thermal Discouragement Beam test
  • White Out (15)
    Complete the first Conversion Gel test
  • Tunnel of Funnel (15)
    Master the Excursion Funnel
  • Dual Pit Experiment (15)
    Do the same test twice
  • Tater Tote (15)
    Carry science forward
  • Vertically Unchallenged (15)
    Master the Repulsion Gel
  • Stranger Than Friction (15)
    Master the Propulsion Gel
  • Professor Portal (75)
    After completing co-op, complete Calibration Course online with a friend who hasn%26rsquo;t played before
  • Air Show (20)
    Perform 2 aerial gestures before touching the ground in co-op
  • Portal Conservation Society (20)
    Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
  • Empty Gesture (25)
    Drop your co-op partner in goo while they are gesturing by removing the bridge under them
  • Party of Three (25)
    Find the hidden companion cube in co-op test chamber
  • Narbacular Drop (25)
    Place a portal under your co-op partner while they are gesturing
  • Asking for Trouble (10)
    Taunt GLaDOS in front of a camera in each of the five co-op courses
  • Rock Portal Scissors (20)
    Win 3 co-op games of rock-paper-scissors in a row
  • Friends List With Benefits (50)
    While playing co-op, hug 3 different people on your friends list
  • Four Ring Circus (25)
    Enter 4 different portals without touching the ground in co-op
  • Triple Crown (15)
    Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
  • Still Alive (15)
    Complete Course 4 with neither you nor your co-op partner dying
  • Can't Touch This (10)
    Dance in front of a turret blocked by a hard light bridge in co-op
  • Smash TV (75)
    Break 11 test chamber monitors
  • High Five (5)
    Celebrate your cooperative calibration success
  • Team Building (10)
    Complete all test chambers in the Team Building co-op course
  • Door Prize (20)
    Examine all the vitrified test chamber doors
  • Portrait of a Lady (10)
    Find a hidden portrait
  • You Made Your Point (10)
    Refuse to solve the first test in Chapter 8
  • You Saved Science (100)
    Complete all test chambers in all courses of co-op
  • Iron Grip (20)
    Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
  • Gesticul-8 (15)
    Perform all 8 gestures of your own volition in co-op
  • Confidence Building (10)
    Complete all test chambers in the Mass and Velocity co-op course
  • Bridge Building (15)
    Complete all test chambers in the Hard-Light Surfaces co-op course
  • Obstacle Building (15)
    Complete all test chambers in the Excursion Funnels co-op course

We'll be getting another look at Portal 2 on March 12th at PAX East - stay tuned for our impresions!

Feb 28, 2011

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GamesRadarTylerWilde
Associate Editor, Digital at PC Gamer