Understanding risk and protective factors associated with Internet Gaming Disorder (IGD) has been highlighted as a research priority by the American Psychiatric Association, (2013). The present study focused on the potential IGD risk effect of anxiety and the buffering role of family cohesion on this association. A sample of emerging adults all of whom were massively multiplayer online (MMO) gamers (18-29 years) residing in Australia were assessed longitudinally (face-to-face: N = 61, M age = 23.02 years, SD = 3.43) and crosssectionally (online: N = 64, M age = 23.34 years, SD = 3