This research aimed to (1) find out the intensity of online game playing of stu-dents grade V and VI at SD Muhammadiyah Karangkajen II Yogyakarta City; (2) to find out the learning motivation of students grade V and VI at SD Muhamma-diyah Karangkajen II Yogyakarta City; (3) test whether the online game and the learning motivation of students grade V and VI at SD Muhammadiyah Karangka-jen II Yogyakarta City were correlated. This research was a quantitative research with correlational model. The population of this research was 151 students grade V and VI while the sample was 50 students selected through odd and even number. The data was analyzed using ANOVA test, simple regression test, and hypothesis test. The research resulted that (1) the intensity of online game playing of stu-dents grade V and VI at SD Muhammadiyah Karangkajen Yogyakarta City was in interval class 73-79 with 17 students and the frequency of 34%, the mean score was 72.46 which was categorized in interval class 73-79, thus the intensity of on-line game playing was considered high; (2) students‟ learning motivation was in class interval 75-79 with 19 students and frequency of 38%, while the mean score was 75.64 which was in class interval 75-79, thus the learning motivation of the 3 students grade V and VI at SD Muhammadiyah Karangkajen was considered me-dium; (3) online game as the variable to students‟ learning motivation was in-fluential as seen in the ANNOVA which score was 0.048<0.05 which meant that Ha was accepted.