The film was shot in just 11 days in the UK.
The movie was shot mostly at 20,000 ISO in ultra low light using only a few lights.
The movie draws inspiration from the works of John Carpenter, whom director/writer Tom Paton is a big fan of.
The world of Pandorica (2016) is expanded in a prequel comic, which details a previous trial and ties into the beginning of the film itself.