If you are german, then read this news at heise.de with its forum:
http://www.heise.de/newsticker/meldu...h-2113981.html

If you are not german, here the important parts:

For the next two days you can download legally Dungeon Keeper free of charge at
http://www.gog.com/

If you want to buy a "new Dungeon Keeper" with new graphics, you should be interested in
War For The Overworld
On Steam you will find it at
http://store.steampowered.com/app/230190/

Oh, and in the forum to the news in heise.de someone points to KEEPERKLAN as try to reimplement Dungean Keeper as OpenSource. Thats the reason, why I know about KEEPERKLAN and why I am posting here.

Greatings
theuserbl