Attack of the Unknown (2020) is an indie sci-fi horror film from the Mahal Brothers that blends alien invasion with a SWAT team thriller, featuring Richard Grieco and practical effects by Vincent J. Guastini. Critics generally describe the film as a "B-movie guilty pleasure" for its ambitious scope, despite some pacing and dialogue issues. Read a detailed review at The Action Elite . Movie Review: "Attack of the Unknown" (2020)