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'''Jori Virtanen ''' is a Finnish larp designer. He designed and ran [[Ground Zero]] together with [[Jami Jokinen]]. In the mid and late 90's, he ran in Finland four cyberpunk larps set in his cyberpunk world [[Sheol]]: [[Silver Angel ]] (1994), [[Evolution ]] (1995), [[Tinderbox]] (1996), and [[Burn ]] (1997).