“…Thus, the game presented in this work represents a step forward in the state of the art, indicating that students who volunteered to play the game performed better in the exam, and students' perceived satisfaction was very high. In addition, the fact that both the platform and game source code were released as open-source opens the door to many researchers, such as those already working with this game (e.g., Mussel [13], Keil [14], Theodorou [15], or Ulrich [17]), to conduct their own studies based on validated software with many functionalities already implemented (e.g., personality definition, authentication, authorization, concurrency, multi-user, multi-device, learning analytics with xAPI, charts, logs, and notifications).…”