The purpose of this study is to investigate the effects of authentic childhood games in teaching English. The study group of the research consists of 43 5-year-old kindergarten students. The study was carried out in the first semester of 2014-2015 academic year. An experimental method was used in this study to state the effects of teaching English vocabulary through authentic childhood games. There were 22 students in the experimental group and 21 students in the control group. To the experimental group the topics were taught through authentic childhood games. The same topics were taught to the control group through traditional methods. According to the results, it is seen that teaching English vocabulary through authentic childhood games have positive impact on academic success.