Lange completed his program in religous and theatre studies at the FU Berlin with his thesis "Die Geschichten der Computerspiele, betrachtet unter mythentheoretischen Gesichtspunkten"(„The history of computer games with regards to theories of mythology“) in 1994. Since then he has been working as curator, author and speaker on questions of the culture of digital entertainment. In addition to his publications (i.e. „Spielmaschinen“, ISBN 3-00-010121-7) on the history of the medium, developments concerning the conservation of digital cultural goods became the focus of his work in recent years.