Forgoing a traditional script, the film was written in 3 days as a scene breakdown. Most of the film's dialogue and blocking was improvised or workshopped on set.
Director Ryan Kruger is a huge fan of 80s films. In the movie you will see references from E.T., Starman, Terminator, Aliens, Indiana Jones and the Temple of Doom, Flight of the Navigator and Explorers.
The intro was inspired by Simon Bates age restriction on VHS tapes during the 80s.
Joe Vaz's character Martini was based on Danny DeVito's character from One Flew Over the Cuckoo's Nest.
Gary Green, having only worked previously as an extra and stuntman, was cast in his first lead role by longtime collaborator Ryan Kruger. Ryan Kruger has cast him numerous times over the years in smaller roles because of Gary's striking appearance.