Yakuza Kiwami, like other games in the series, is packed with hidden details, references, and humorous easter eggs that reward observant players. Keep an eye out for these nods to the series' history and pop culture.

- Classic SEGA Arcades: Play iconic SEGA games like Out Run and Space Harrier in the Club SEGA arcades.
- References to Yakuza 0: Given Kiwami is a remake of the first game, there are subtle and overt references to the prequel, Yakuza 0, especially concerning Majima's character.
- Hidden Bosses: Beyond the main story, there are often optional, incredibly tough bosses to find and defeat for unique rewards.
- Secret Shops: Some shops or vendors only appear under specific conditions or after completing certain substories.
- Dialogue Quirks: Pay attention to background NPC conversations; they often contain humorous or insightful commentary.
Exploring every nook and cranny of Kamurocho will often reveal these delightful surprises.