Other mistake: At the end of the game, "proved" is spelled "prooved".
Other mistake: At the end of the game, "congratulations" is spelled "conglaturation".
Other mistake: At the end of the game, it says "Now go and rest our heroes," it should say "Now go and rest, our heroes."
Other mistake: In the Master System version, the ending screen misspells the name of the villain Gozer in "Gorza", and calls New York a "MeTOROpolis." Also, the Ghostbusters are rewarded with 5000 $ for saving the whole 'metoropolis'; they did receive that sum in the movie yes, but for capturing Slimer at the Sedgewick Hotel.
