The thing is, that's not only their descriptions, it's their flavor. West is simple fighters and whacking stuff (easy right?), North is magic and a little bit more complex (Medium), East is the unstoppable dangerous undead and complex religion stuff (Hard), and the south is dangerous but filled with your thieves who want MONEY (Medium Hard)!
We made an expansion and it is awesome. Really, you should check it out, especially if you're looking for some extra challenge.
Download over at ddmod.weebly.com!