Sega Ages 2500 Series Vol. 15: Decathlete Collection

Sega Ages 2500 Series Vol. 15: Decathlete Collection is a sports game developed by Vingt-et-un Systems and published by Sega, 3D-Ages in July 29, 2004 for Playstation 2.

Produced by Tetsu Kayama and Yuji Ito and Daisei Saitoh and Kentaro Takeda and Nobuyuki Okajima and Shinya Takagi, directed by Ayumi Takagi, design by Sachiko Sato and Satoshi Takemura and Toshinobu Ishii.