Yo-kai Watch is a popular video game series developed by Level-5 that centers around a young boy named Nathan Adams who discovers a special watch that allows him to see and interact with Yo-kai, supernatural creatures inspired by Japanese folklore. Players can befriend these creatures, each with unique abilities, to help solve problems and battle other Yo-kai. The franchise has expanded beyond video games to include an animated television series, movies, and merchandise. In the games, players explore various locations, complete quests, and engage in turn-based battles, making it accessible and enjoyable for players of all ages.