Kurohyou : Ryu ga Gotoku Shinshou

Kurohyou: Ryu ga Gotoku Shinshou for PSP is Sega's 2010 Japanese-only spin-off of the Ryu ga Gotoku series, known internationally as Yakuza. Developed with syn Sophia, it shifts the spotlight away from Kazuma Kiryu to 18-year-old street tough Tatsuya Ukyo and brings the series' urban drama to PlayStation Portable. The game takes place in Kamurocho, the fictional Tokyo entertainment district familiar from the mainline series, but introduces a self-contained story and a protagonist with his own troubled history.

Tatsuya becomes entangled with the Tojo Clan after an incident involving the Kuki Family, leaving him with no easy way out. His route through Kamurocho leads to Dragon Heat, an underground fighting organization where he is pressed to prove himself in a string of matches. The premise makes personal stakes, rival fighters, criminal pressure, and questions about Tatsuya's past central to the adventure, while the city supplies the nightlife and side activity atmosphere associated with Ryu ga Gotoku.

Combat is the clearest departure from the main Yakuza games. Instead of primarily clearing groups of opponents in street brawls, Kurohyou emphasizes one-on-one fights with martial-arts styles and a more focused arena presentation. Players can use direct punches, kicks, throws, environmental weapons, and series-style special actions, while Tatsuya's fighting abilities develop as the story progresses. Injuries also matter to the fighting system, giving opponents opportunities to target weakened areas and encouraging attention to a match's condition as well as its outcome.

Outside the ring, the PSP game lets players explore Kamurocho, take on a large selection of substories, and visit familiar kinds of leisure spots. Sega promoted activities including bowling, batting cages, and crane games, preserving a substantial slice of the series' city-exploration rhythm on a handheld system. The game also includes part-time jobs for earning money and character-related features beyond the main plot, so its progression moves between story missions, street encounters, training, and optional diversions.

Kurohyou: Ryu ga Gotoku Shinshou also has multiplayer-oriented content built around a custom fighter. Missions can be tackled alone or cooperatively to unlock customization items, while versus options let players bring developed styles and statistics into fights with other participants. That combination of an original protagonist, customized combat, and portable Kamurocho makes it a distinct branch of Sega's crime-drama series rather than a direct port of an earlier entry.

The game was followed on PSP by Kurohyou 2: Ryu ga Gotoku Ashura hen in 2012. Sega's later description identifies the first Kurohyou as the series' first PSP release, underlining its role as an experiment in adapting the Ryu ga Gotoku setting to a different lead character and a handheld-focused fighting design. A live-action television drama based on the first game's premise also aired in Japan in 2010, extending Tatsuya's story beyond the game itself.