Gamer Achievement Win

Full list of all 50 Portal 2 achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.

  • Asking for Trouble

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

    Asking for Trouble
    12 September 2014 - 3 guides
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