IGG (which incidentally also made Angels Online). And if you just so happen to be a Twilight fan as well, you're in double-luck: The studio promises players the chance to create their own version of the cast to recreate and live the story themselves.
Can't wait until tomorrow? Then jump on over to the official site, where four different forum events are going on, each offering the chance for prizes such as a newbie gift pack in game, superior weapons, and points. You can try your hand at Lucky Treasure Box, Counting Numbers, Sign Up for Snowballs, and Screen Grab Characters.
[Source: IGG press release]