Hacked Dungeon is a small One Game a Month entry I made. It is a bit bare, simplistic and most likely bug ridden (also not balanced very well), but it's free, so perhaps try it out. Maybe you'll like it.
A bit of source code for anyone who wants to take a stab at it.
The final build of the game. It contains some bugs, but I will not work on it any more, because I will be participating in April's 1GAM challenge and...