Akinori Nishiyama is a games writer, director, producer and designer. Nishiyama has been working with SEGA, Sonic Team, Digital Eclipse and DIMPS. Nishiyama started in 1989 as the writer of Alex Kidd in the Enchanted Castle (1989). Next, Akinori Nishiyama worked on Phantasy Star II taking on the role of writer. Afterwards, Akinori Nishiyama worked on Sonic Adventure DX: Director's Cut developed by SEGA in 2003. Most recently, Akinori Nishiyama was involved in the development of Sonic Unleashed. Currently, Nishiyama is developing Puyo Pop. The release date is yet to be announced.