[Update: Well that didn't take long. The game's been announced -- it's a downloadable title being published by THQ. It'll hit Xbox LIVE Arcade and PlayStation Network in late October. More details here.]
It’s already been revealed that Pyschonauts and Brutal Legend developer Double Fine is already cooking up a few unannounced projects at its studio. While most of us are hoping there's a sequel to the critical darling Psychonauts in there somewhere, one of them is probably not a sequel to Brutal Legend. But here’s one out of left field -- what are your thoughts on a Costume Quest?