That Edmund McMillen really loves his Formspring, doesn't he? The Binding of Isaac designer is answering questions regarding the game's upcoming DLC, titled The Wrath of the Lamb. Many of his answers are requests to eager young developers looking for work and strange hypotheticals, but there's a fair bit of info regarding the indie game's expansion if you're willing to sift a little.

Aw, hell, who am I kidding? We do the sifting around here. The game will cost $3 when it hits Steam later this year, although the download doesn't have a set release date. McMillen says it'll be out sometime in the first half of the year. It will also increase the number of items available in the randomly-generated dungeons from 131 to 205. Some spoilers regarding The Binding of Isaac follow the jump.

He's also said the Devil Room will never be summonable, as it would destroy the "magic" of the game. So sorry if you wanted one of the best endings to the game, but it looks like McMillen wants to retain NES-era levels of difficulty. After all, this is a nod to the original Legend of Zelda, where the game pulls no punches. Interestingly enough, the name The Binding of Isaac was chosen because of its resemblance to the game that inspired it, just like Super Meat Boy was modeled and named after Super Mario Bros.

McMillen also said the idea of Isaac being the offspring of Satan could be "something to think about." Is this a hint regarding the story behind the expansion?