Abstract: The DeMite is an educational game to learn how to pronounce English words with augmented reality, location-based and speech-to-text features presented in horror genre. This game is designed for non-English speakers, specifically Indonesian speaking user. Many people in Indonesia still cannot speak English properly, thus, there is a need to carefully select the appropriate English words as learning tasks in the DeMite game. The proposed method shows that each learning tasks can be grouped into their natural categories using clustering method.