Hajime no Ippo: The Fighting! for the PlayStation 3 is a specialized boxing title released exclusively in Japan on December 11, 2014, to celebrate the manga's 25th anniversary. While it was never officially localized for Western markets, it remains a cult classic among fans of the series due to its authentic presentation and unique "Best Match" mode. Gameplay Mechanics and Presentation
Released exclusively in Japan in 2014, this game was easy to miss. But thanks to the preservation community, you can now play the Updated PKG version on modded PS3 consoles (or emulators like RPCS3). And let me tell you—this isn’t just a relic. It’s a genuine simulation of the anime’s heart. hajime no ippo the fighting pkg ps3 updated
The PKG version you're referring to is likely a re-release of the game, which includes updates and possibly additional content. Unfortunately, I couldn't find specific information on what updates are included in this PKG version. Hajime no Ippo: The Fighting
Prologue: The Lost Cartridge