Composer Arend Bruijn came up with the main tune while he was doing his duty on the toilet.
Shot in 8 days.
Bobby Prince (Commander Keen/Doom) gave personal permission for using a specific song from Commander Keen 4. It's hidden -not so subtle- throughout the whole film.
It took 3 months to build the sets.
Production bought 5 liters of blood and it still wasn't enough.