The use of computer games in educational settings has been discussed by many educators. Herein, the opinions of teachers gain great importance because they are the ones who will use the games in classrooms. In this respect, this study was conducted to identify the opinions of prospective teachers who are the teachers of future on the use of games in classroom. After playing three commercial games (Quake, The Incredible Machine and Age of Empires), prospective teachers analyzed and evaluated them by focusing on their educational aspects. Results suggest that teachers may use some of the commercial games in learning/teaching process, however it necessitates teachers select the most appropriate ones to be used and be attentive in this selection process of the games for their courses.