I Monster is a vertically-based role-playing game in the Roguelike style. You take on the role of a monster to embark on an exciting adventure and fight an evil man. Rescue your monster friends from prison. Collect powerful relics and learn powerful magic. One day, you'll become the best monster and uncover the evil man's schemes. The game combines item collection, exploration, adventure, strategy, combat, and development. All of these efforts are aimed at enhancing the gaming experience.