Slitherine

http://bots.acclaim.com/

No brain required

http://www.wurmonline.com/

not having tried yet, though it seems worth.

By the way, off the topic, are there any index about slitherine games in wikipedia?
If there are one, I want to translate into Japanese and uplord in wiki jp.

here is just brief introduction to CEW.

http://en.wikipedia.org/wiki/Commander_-_Europe_at_War

Yes there is a article on slitherine but it is VERY BRIEF