Home News Yakuza 3 Yakuza 3 demo on Japanese PSN now News by Patrick Garratt Founder & Publisher (Former) Published on Feb. 19, 2009 Follow Yakuza 3 Sega's posted the Yakuza 3 demo on the Japanese PSN. It'll cost you 1,256Mb of hard drive space. Obviously, you can only get it if you've got a Japanese account, and there's no danger of this coming west. So enjoy. If you can.