I just recently noticed that Mount & Blade: Warband have a Linux version on Steam on now. The original Mount & Blade still do not have a Linux version, but Warband is really just an improved version of the original game. Pretty much all the same, but just more content and stuff to do in Warband. I have tested it and it works great. I have not encountered any bugs, and performance is great.
I know. I am already playing this version on Linux. *Tux throws another Linux gaming party! Hey there goes another one of those Windoze butterflys. Some one grab the fly swatter!
Question! Do multiplayer component works for you? It doesn't for me I have Napoleonic Wars and when I load the server Human vs Bots it freezes completely :/