DESC: Konami pushes game technology and innovation to the next level with the release of Boktai: The Sun Is In Your Hand. Created by world-renowned developer, Hideo Kojima, Boktai is the first videogame to integrate sunlight into gameplay using a built-in solar sensor on the Game Boy Advance cartridge. Players assume the role of a boy vampire hunter on a mission to rid the world of evil demons. Depending on when gamers play Boktai, sunlight will affect the power of their character as well as their blood-sucking enemies. Konami gives new meaning to the phrase, "Fun in the sun!"