The series is known for its humor and is centered on Lord Almamoon, the protagonist who must save his country from danger in each game.
[5] A soundtrack album for the game, titled Divertimento Hanjuku Hero, was released by NTT Publishing on January 21, 1993.
[9] A soundtrack album for the game, titled Hanjuku Hero VS 3D OST, was released by DigiCube on June 25, 2003.
[12] Egg Monster Hero was released on the Nintendo DS in Japan on March 24, 2005, and was the first game Square Enix published for that console.
Players primarily interact using the stylus to drag Egg Monsters towards the enemy and perform special attacks.
[13] The game was intended for a North American release but ultimately canceled due to poor reception by focus groups.
[15] In this game, Lord Almamoon discovers that he has been tricked into marrying the princess of the Katri Kingdom, who is considered to be the ugliest woman in the world.
[16] Composers Nobuo Uematsu, Kenji Ito, Tsuyoshi Sekito, Hirosato Noda, Naoshi Mizuta, and Ai Yamashita did the soundtrack of the game.
Uematsu has a cameo appearance within the game, along with Sekito and Kenichiro Fukui, both of whom were members of his former band, The Black Mages.
The Japanese magazine Famitsu has scored the WonderSwan version of Hanjuku Hero: Aa, Sekaiyo Hanjukunare...!
[26] Media Create sales data suggests that Hanjuku Hero 4 sold around 42,819 copies by the week ending on June 5, 2005.