- Secret Weapon Dealer: In Kamurocho, there's a hidden weapon dealer who sells powerful, illegal firearms. Look for a specific alleyway near the Champion District.
- Cat Cafe Rewards: Finding all the stray cats for the Cat Cafe not only completes a substory but also provides unique items and a significant amount of Yen.
- Sega Arcade Games: Play classic Sega arcade games like Virtua Fighter 5 Final Showdown and Puyo Puyo. Achieving high scores can sometimes unlock items or provide experience.
- Drone Racing: In Onomichi, participate in drone racing. It's a fun mini-game with unique rewards and challenges.
- Kamurocho's Changing Landscape: Pay attention to how Kamurocho has evolved since previous games. Many familiar landmarks have changed, reflecting the passage of time and new influences.
- Voice Actor Cameos: Listen closely for familiar voices from other Yakuza games or Japanese media in minor roles.
Exploring every corner of both Kamurocho and Onomichi will often reveal these delightful hidden gems and provide extra content.
