Unlockables

  • Steam Achievements

    UnlockableHow to Unlock
    Air ShowPerform 2 aerial gestures before touching the ground in co-op
    Asking for TroubleTaunt GLaDOS in front of a camera in each of the five co-op courses
    Bridge BuildingComplete all test chambers in the Hard-Light Surfaces co-op courses
    Bridge Over Troubling WaterComplete the first Hard Light Bridge test
    Can't Touch ThisDance in front of a turret blocked by a hard light bridge in co-op
    Confidence BuildingComplete all test chambers in the Mass and Velocity co-op courses
    Door PrizeExamine all the vitrified test chamber doors
    Drop BoxPlace a cube on a button without touching the cube
    Dual Pit ExperimentDo the same test twice
    Empty GestureDrop your co-op partner in goo while they are gesturing by removing the bridge under them
    Final TransmissionFind the hidden signal in one of the Rat Man's dens
    Four Ring CircusEnter 4 different portals without touching the ground in co-op
    Friends List with BenefitsWhile playing co-op, hug 3 different people on your friends list
    Gesticul-8Perform all 8 gestures of your own volition in co-op
    Good ListenerTake GLaDOS' escape advice
    High FiveCelebrate your cooperative calibration success
    Iron GripNever lose a cube in Chamber 6 of the Mass and Velocity co-op course
    LunacyThat just happened
    Narbacular DropPlace a portal under your co-op partner while they are gesturing
    No Hard FeelingsSave a turret from redemption
    Obstacle BuildingComplete all test chambers in the Excursion Funnels co-op course
    OverclockerComplete Test Chamber 10 in 70 seconds
    Party of ThreeFind the hidden companion cube in co-op test chamber
    Pit BossShow that pit who's boss
    Portal Conservation SocietyComplete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
    Portrait of a LadyFind a hidden portrait
    Preservation of MassBreak the rules in Test Chamber 07
    Professor PortalAfter completing co-op, complete Calibration Course online with a friend who hasn't played before
    PturretdactylUse an Aerial Faith Plate to launch a turret
    Rock Portal ScissorsWin 3 co-op games of rock-paper-scissors in a row
    SaBOTourMake a break for it
    Scanned AloneStand in a defective turret detector
    Schrodinger's CatchCatch a blue-painted box before it touches the ground
    Ship OverboardDiscover the missing experiment
    Smash TVBreak 11 test chamber monitors
    Stalemate AssociatePress the button!
    Still AliveComplete Course 4 with neither you nor your co-op partner dying
    Stranger Than FrictionMaster the Propulsion Gel
    Talent ShowNever lose a cube in Chamber 6 of the Mobility Gels co-op course
    Tater ToteCarry science forward
    Team BuildingComplete all test chambers in the Team Building co-op course
    The Part Where He Kills YouThis is that part
    Triple CrownSolve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
    Tunnel of FunnelMaster the Excursion Funnel
    Vertically UnchallengedMaster the Repulsion Gel
    Wake Up CallSurvive the manual override
    White OutComplete the first Conversion Gel test
    You Made your PointRefuse to solve the first test in Chapter 8
    You MonsterReunite with GlaDOS
    You Saved ScienceComplete all test chambers in all co-op courses

    Contributed By: _Genesis.

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