MASTER’S DEFENSE Renaldo J. Doe Lost in the Middle Kingdom is a serious video game for language learning. Our game utilizes several language learning methodologies including second language acquisition theory, content-based instruction, and task-based language teaching. We analyze previous language learning games and their drawbacks in order to create a more effective experience. Lost in the Middle Kingdom seeks to balance language learning with fun and intuitive gameplay in order to deliver a form of interactive media that is accepted by both the gaming and research communities. Our test data illustrates the strengths and weaknesses of our game and how future improvements can bolster its effectiveness.