Introduction: The purpose of this research is to compare social intelligence and sexual identity, violence and addiction tendency between adolescents dependent on playing online GTA video game and normal ones. Materials and methods: this study is a cross_sectional analysis base on the comparison between a playing group and a control group. The target population consists of all adolescents playing online GTA video game. 60 of them were chosen accessible and purposeful as ppayong group and answered to questions about sexual identity, social intelligence, violence and addiction tendency and 60 other adolescents who had never played any online games were considered as control group. The results were evaluated by using covariance analysis method. Results: the social intelligence and addiction tendency to play video games variable due to the sexual identity was effective on adolescents dependent on playing video games (p=/018) However, addiction to play video games did not have much effect on male and female identity(sig=/809) Conclusion: Althogh playin video online GTA video game does not have much effect on adolescents' sexual identity, it seems like it has significant effect on their social intelligence and addiction tendency.