The "snake-like" underwater robots featured in the film are real products from a Norwegian company called Eelume .
: The plot is inspired by a real prehistoric event known as the Storegga Slide , a massive underwater landslide that occurred roughly 8,000 years ago off the coast of Norway. El mar del Norte (2021)
: Reviewers from Projected Figures noted that the film subverts genre conventions by having the female lead, Sofia, rescue her male partner, Stian, rather than the typical "damsel in distress" trope. The Burning Sea (2021) The "snake-like" underwater robots featured in the film