Dear Jaroslaw, I have a chapter in print that extensively traces the prehistory of gamification: Deterding, S. (in print): The Ambiguity of Games: Histories and Rhetorics of the Gameful World, in Walz, S. P. & Deterding, S. (eds.), The Gameful World: Approaches, Issues, Applications. Cambridge, MA, London: MIT Press. Email me for a copy. Best Sebastian -- Cheers, Sebastian ------------------------------------------------------------- Sebastian Deterding | coding conduct Mail: sebastian@codingconduct.cc | Twitter: @dingstweets Web: http://codingconduct.cc | Skype: sebastiandeterding US mobile: +1 (585) 747-8616 | DE mobile: +49 15140030044 ------------------------------------------------------------- This email is [_] assumed public and may be forwarded, blogged, etc. [X] assumed to be private. Please ask before redistributing -------------------------------------------------------------