The purpose of this study is to present direction of guidance on unethical behavior that appears in game activity at elementary school as we establish the reason of occurrence for those behaviors. Grounded theory was selected as study methodology to perform this subject since unethical behavior usually occurs between students who are subject body of recognition. The date were analyzed by open coding, axis coding, selective coding as ground theory method. as result, 7 categories were explained by causal conditions, phenomena, context, intervening condition, strategy, consequences in axis coding based on open coding dates. The core phenomenon was selected Pursuit of Happiness in selective coding.