Ten installments of the series were released until 2016, including a few spin-offs.
It even received comic and movie adaptations. For many years since its debut the series gained many fans and is especially successful in Japan (where it is known as Ryu ga Gotoku ). All titles in the series were developed by Sega. The original version of the game debuted on PlayStation 2 in 2005. Yakuza Kiwami for PS4 is a complex remake of the first installment of Yakuza series.