Which Yakuza did you play? I only played the first one on PS2, which I really didn't like. Though from what I hear, the later games changed a lot for the better and seem to focus less on the fighting... From the trailers at least.From what I played of Yakuza, Shenmue has a lot more attention to detail. The focus isn't on fighting as much, but exploration and investigation. The production values are higher. It's more of a simulation than a straight-up action-RPG. They're different enough that I actively dislike Yakuza after having played so much Shenmue. It's like the skeleton was the same, but Yakuza went off in all sorts of different directions.