dʒˈaɪɡæks kɹiːˈeɪɾᵻd ðə kˈæsəl ænd kɹuːsˈeɪd səsˈaɪəɾi spˈɛʃəl ˈɪntɹɛst ɡɹˈuːp æz pˈɑːɹt ʌvðɪ ˌɪntɚnˈæʃənəl fˌɛdɚɹˈeɪʃən ʌv wˈɔːɹɡeɪmɚz, ɪnspˈaɪɚd baɪ hɪz ɛnθˈuːziˌæzəm fɔːɹ mˈɛdɪˌiːvəl wˈɔːɹfɛɹ.
Gygax created the Castle & Crusade Society special interest group as part of the International Federation of Wargamers, inspired by his enthusiasm for medieval warfare.