This study analyzes the codes of communication and empathy in the Taiwanese game content <返校: Detention>(2017) and the derivative content movie <Detention>(2019). The game <返校: Detention> is a 2D side-scrolling game released on January 13, 2017, the 30th anniversary of the lifting of Taiwanese martial law. <返校: Detention> ranked No. 1 in Taiwan sales on Steam in one day of official release, and ranked No. 7 in global bestsellers in three days. Since then, the popularity of the <返校: Detention> game has expanded to various genres such as movies, exhibitions, and dramas, serving as a medium for returning historical memories to Taiwanese and a platform for foreign players to understand and experience Taiwan's history. The film <Detention>, based on the game, informs the history of Taiwan in the political and social realities of Taiwan and conveys a message of reflection for a new future. Unlike games that symbolize the era of terror, movies deliver comfort and hope to individuals who have been sacrificed in history across the age of violence. This study analyzes the process of planning, production, distribution, and acceptance of <返校: Detention> contents from the perspective of communication. The research method utilizes media communication analysis. Media communication analysis is a research method that comprehensively examines the context and context surrounding the content, the content, subject and experience of use, and the distribution and enjoyment method. Through this, we examine the sympathetic elements and historical implications of <返校: Detention> contents.