The first episode of
Dreamfall Chapters, the sequel to
The Longest Journey and Dreamfall, is now available
on Steam and soon will be available on GOG.com (I'll update this when it is available there). (EDIT) Actually, it looks like the somewhat more expensive Special Edition is already available for purchase
on GOG. (/EDIT)
As for me, I'll be waiting until all
five episodes are out before starting to play it, as I do with all such episodic games, but for the one or two people who A) read my LJ and B) care about TLJ/Dreamfall and C) might want to play an episodic game as it is released, well, then there you go.