The popular TV show "The Strongest King Encyclopedia ~The Ultimate Battles~" has been turned into a smartphone game. The setting is a mysterious island inhabited by creatures that mutate on their own. This app game, ``The Ultimate Battles Game,'' is a competition in which such creatures compete for the strongest of the strongest. Everyone participates as a team manager and uses the creatures they have obtained to develop the strongest players and create their own strongest team! The referee is me, Mr. Most. We look forward to helping you develop the world's strongest players! !