Eyeshield 21 - Max Devil Power! (眼鏡鬼21 マックスデビルパワー！) is a sports action RPG game for the Nintendo DS developed by SEGA and published by Bandai Namco Games. It is based on the popular Eyeshield 21 manga and anime series and features characters from the series. The game follows the story of the protagonist Sena Kobayakawa and his team, the Deimon Devil Bats, as they strive to become the best football team in Japan. In the game, players take control of Sena and the Devil Bats as they compete in the Japanese High School Football League. As they progress through the tournament, the team must face off against various opponents in order to reach the championship. During matches, players can use special moves and abilities to gain an edge in the field. Additionally, they can also customize the team's formation and strategy to better suit their play style. In addition to the main story mode, the game also features various mini-games that allow players to test and hone their skills. These mini-games include obstacle courses, character-specific missions, and even a football-themed version of the classic board game Othello. Overall, Eyeshield 21 - Max Devil Power! is an enjoyable and engaging sports action RPG for the Nintendo DS. With its fast-paced gameplay, deep customization options, and entertaining mini-games, it is sure to provide hours of entertainment for any fan of the Eyeshield 21 series.