“Slash/Back” is a story about an Inuit community fighting back against an alien presence in the land, emerging as a rare indigenous tale from the region, recently detailed in the 2019 film, “The Grizzlies.” Co-writer/director Nyla Innuksuk endeavors to balance an understanding of the community and preserve genre elements, hoping to bring a little John Carpenter to the Arctic Circle, with the feature freely referencing the influence of “The Thing.” “Slash/Back” has a unique setting and distinct cultural observations, and it’s an engaging picture, but only in short spurts, finding Innuksuk struggling with the basics in escalation and suspense as she makes a horror-tinged effort with a largely untrained cast. There’s plenty here to appreciate, with a lived-in feel for town interactions and frustrations, but this is no nail-biter, often making full stops between attack sequences. Read the rest at Blu-ray.com