Guild Wars Eye of the North

Campaign Four (a.k.a. Chapter Four) is an upcoming stand-alone product ("Campaign") of the Guild Wars game series, a follow-up of Guild Wars Campaign 3 (Campaign Three).

No title has been announced so far.

Content
Not much is known about a theme or new content so far.

Release Date
No release date has been officially announced yet.

From official sites

 * none so far

From other sites

 * GameSpy Guild Wars -- development is underway