Ryo Hazuki can play darts against Chengyou and have a chance to earn extra money.
- In the original Japanese version of Shenmue II, Chengyou wears a t-shirt that says 'DEATHBALL 666'. However, in the European Dreamcast release this was changed to just say 'BASEBALL'. This change was kept in the English dubbed Xbox version of the game.
- Chengyou's zodiac sign is Aquarius and he has a AB blood type.