It was first rumoured to have been put on hold as there was discussion of a third Ghostbusters movie that might have wanted to hold on to the video game rights. Following this the publisher, Activision, dropped it as a title (something that is happening quite frequently in the current economic dung-heap), and without anyone to pay for printing, shipping, marketing and the developers salarys for the last few months of production it seemed dead in the water. Enter Atari. With Atari publishing the game is set for a cross-console release this Spring.
Who you gonna call? Yourself!