Cut through all the fan service, ignore the not-bad script being performed with something approaching enthusiasm from the original cast, and the Ghostbusters game is as ephemeral as the glowing spectres that Venkman and friends spend their time chasing and zapping. That was true of the version released on the 360 and PS3, and it's even truer of this Wii-flavoured spin on the same source material, which strips the already slender gameplay to the bone for no good reason.
Don't go expecting anything radically different in structure to the existing game. Events unfold in much the same way, although certain elements have been moved around - the book golem appears in a different form, for example - but since it uses the exact same script and dialogue, there's clearly a limit to how distinctive it can be. Bill Murray's alimony payments may be steep, but they're obviously not large enough to get him back into the recording b