 "Heroes of Mana" was produced by series creator Koichi Ishii, directed by Takeo Oin, and written by Masato Kato.Ishii had previously produced or directed all of the previous "Mana" games, while Kato also wrote the stories for "Children of Mana" (2006) and "Dawn of Mana" (2006).The game was developed by Brownie Brown, who previously helped develop "Sword of Mana" (2003).