Latar Belakang : Remaja dalam tahap kecanduan game online memiliki hubungan yang buruk terhadap teman sebaya, keluarga serta berkurangnya sosialisasi terhadap lingkungan sekitar. Tujuan : Menggambarkan perilaku sosial remaja yang bermain game online di SMP Negeri 3 Gianyar Metode : Penelitian ini menggunkan metode deskriptif kuantitatif dengan pendekatan cross sectional melibatkan 433 remaja. Pengambilan sampel pada penelitian ini menggunakan teknik total sampling. Alat pengumpulan data pada penelitian ini menggunakan kuesioner perilaku sosial pada Juni 2024 dan dianalisis menggunakan statistik deskriptif. Hasil : Sebagian besar responden yaitu sebanyak 238 responden (58,2%)memperoleh perilaku sosial cukup, perilaku sosial buruk sebanyak 111 responden (27,1%), sedangkan kategori baik hanya sebanyak 60 responden (14,7%). Kesimpulan : Remaja yang kecanduan bermain game online cenderung lupa tempat dan waktu untuk bermain game online, sosialisasi mengenai dampak negatif kecanduan bermain game online terhadap perilaku sosial dapat menambah pemahaman remaja terkait dampak negatif kecanduan bermain game online. Kata Kunci : Perilaku Sosial, Remaja, Game Online

Background: Adolescents who are addicted to online game generally have a poor relationship with their peers, family and have a reduced socialisation with their surroundings. Aim: To describe the social behaviour of adolescents who play online games at Public Junior High School 3 Gianyar. Methods: This study employed descriptive quantitative method with cross sectional approach involving 433 adolescents. The sample in this study was obtained through total sampling technique. The data were collected using a social behaviour questionnaire in June 2024 and then analysed using descriptive statistics. Results: The majority of respondents (238 respondents; 58.2%) had moderate social behaviour, 111 respondents (27.1%) had poor social behaviour and only 60 respondents (14.7%) had a good social behaviour. Conclusion: Adolescents who are addicted to playing online games tend to forget place and time. Dissemination of information about the negative impact of addiction to playing online games on social behaviour can increase adolescents' understanding of the negative impact of addiction to playing online games. Keywords: Social Behaviour, Adolescents, Online Games