Game industry is one of the fastest growing industry with its huge population of users. However, the study with respect to legal issues in this area to date is clearly insufficient in Korea. Thus, it is imminent that we examine regulative issues that could arise in the game industry, as a current task at hand in Entertainment law. To complete this mission, it is necessary that we study U.S. common law and statutes, and the purpose and reasons behind such relating to the game industry. In this article, we will first explore Freedom of Speech under First Amendment and publicity rights. Then, the article will review U.S. cases with respect to such rights that involve games. Based upon such study, I would like to find the lesson that U.S. law teaches us in shaping the law and solving legal issues in relation to the game industry.