Oooohhh, they are playing off of Secret Window, Secret Garden which is similar to The Dark Half. Okay, so Alan Wake finds that the scenes from his book are playing out in the little town of Bright Falls (an opposite name of Silent Hill to be sure). Alan has to figure out how and why it is happening before his mind snaps.
Given that the real monsters in the world are human, it has some scare potential. Will have to see if it has legs. I'm not sure about "episodes". That always makes me feel like I'm going to have some random limit put on how much time I'm allowed to explore or solve puzzles. But Eternal Darkness did chapters well and made me like the characters so it can be done. I'm looking forward to this one.