000 00309nam a2200109Ia 4500
008 171204s9999 xx 000 0 und d
245 _aTheory of Fun for Game Design:
245 _cRaph Koster
260 _c2013
650 _xGAME DESIGN AND PRODUCTION
856 _uhttp://down.ebook777.com/050/1449363210.pdf
999 _c346314
_d346314