Originally Posted by SonOfStayPuft
There's also a Banner on Level 1-1 with "Conglaturation" on it, which is an obvious reference to the main spelling error that comes up at the top of the screen that appears after you complete Ghostbusters on the NES.
Dude! Great find! I didn't even take the time to really look at the banners. I just thought they were all generic "CONGRATULATIONS!" Great eye.