Yakuza 0 is packed with delightful easter eggs and references, both to real-world 1980s Japan and to other games in the Yakuza series. Keeping an eye out for these hidden gems adds another layer of enjoyment to the experience. From subtle nods to future characters to humorous pop culture references, there's always something to discover.

- Future Character Cameos: Keep an eye out for younger versions of characters from later Yakuza games.
- Sega References: Arcade games are direct references to classic Sega titles.
- Pop Culture Nods: Humorous references to 80s movies, music, and fashion.
- Developer Jokes: Sometimes the developers hide their own inside jokes.
- Substory Humor: Many substories are self-aware and poke fun at common tropes.