Universitas Muhammadiyah Yogyakarta The Faculty of Social and Political Science The Department of Communication Science Muhammad Satrio WIbisono (20120530145) The Effect of The Intensity of Accessing Online Game Grand Theft Auto V Towards Aggressive Attitude on Gaming Group at Facebook. Year 2018 + 62 pages + 42 Appendices Bibliograpy : 14 books + 15 Journals + 12 websites This study is aimed at figuring out the effect of the intensity of accessing online game grand theft auto v towards aggressive behavior on gaming group at facebook. The source used in this study was a questionnaire given to respondents who have criteria of becoming member on facebook and being member of grand theft auto V Indonesia. The sampling used in this study was convenience sampling with 90 respondents. The data analysis in ths study was using validity testing. Reliability testing and regression testing. To ease the calculation result, therefore SPSS version 24 used as the calculating tool. The result in this research indicate of aggressive behavior has significant effect for 0.122 or 12.2% on facebook Indonesia grand theft auto 5 Grup for do aggressive behavior.