Stranger Than Friction achievement in Portal 2

Stranger Than Friction

Master the Propulsion Gel

Stranger Than Friction0
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How to unlock the Stranger Than Friction achievement

  • King Vicks IIKing Vicks II42,112
    22 Apr 2013 18 Nov 2018
    1 0 0
    Story related, this unlocks after completing a series of tests during Chapter 7.
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