What order to play the Yakuza games in?

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DKBananaSlamma posted...
Only Kiwami 2 requires you to use Mahjong for a substory and you can just use a cheat item to bypass it >_> I cant think of any Shogi substories in the series

I'm convinced Mahjong isn't real and it is just an elaborate joke on us.
http://i169.photobucket.com/albums/u223/chocolateFRESH/arts/kraid.png - Thanks GP cosmonaut!
http://i.imgur.com/TuJWAR8.jpg