WILHELM SCREAM: At the beginning of the movie, when the three main characters are chatting in the bar, the other customers suddenly run away and scream. One of them uttering the Wilhelm.
This fan film, as well as its sequel Return of the Ghostbusters (2007) were referenced in Ghostbusters: The Video Game (2009).
The Proton Pack props used in the film were constructed by Hank Braxtan.
The faux newspaper front pages seen in the movie have references to many websites including Bloody-Disgusting.com, IndieTrailers.com, TheForce.net, ProtonCharging.com, and Forever Horror (http;//www.michalak.org/fh/). All of these websites were especially helpful in the promotion and support of the fan film in some form or another.
The Denver Ghostbusters appear again in a 2-part episode of the internet cartoon series "Ghostbusters: The Animated Series" titled "The World Eater."