While high, Mitch notices the strange water texture, and they all see glowing microbes covering the beach and trees.

When she wakes up the next day, she finds a catatonic Jane sitting in the kitchen, covered in skin lesions, and Mitch missing.

She finds a sickened Randall being pursued by Jane, who has milky white eyes and strange fluid leaking from her mouth.

When Emily turns on the TV she finds an Emergency Alert System on every channel and a radio broadcast reveals that the microbes, which were preserved in underwater rocks, had been released by global warming.

Emily goes into the basement, finds oxygen tanks for scuba diving, and concludes they can use them to breathe in safe air.

Known for his work with the influential dubsteb duo Vex'd and his unique approach to electronic music, Porter was invited onto the production by the filmmakers due to his fascination with space, science fiction and his atmospheric solo albums.

[11] Elisabeth Vincentelli of The New York Times wrote that, "after a dillydallying slow start, Brown ratchets up the tension efficiently, summoning a mix of gross-out body invasion, eco-mutation and large-scale cosmic dread on a small budget.

"[1] Brian Tallerico of RogerEbert.com gave the film three out of four stars, writing: "Boasting sweaty, shaky camerawork and a firm grasp on tone, Brown's grisly indie horror flick is yet another piece of work that feels unexpectedly suited to our times.

"[12] Daniel Kurland of Bloody Disgusting gave the film a mostly positive review, calling it "a powerful, emotional throwback to '50s sci-fi" and "an atmospheric triumph from newcomer director Jeffrey A.

"[2] Michael Gingold of Rue Morgue wrote that, "With a modest budget and scope, Brown nonetheless elicits a sense of engulfing biological apocalypse".

[13] Variety's Dennis Harvey commended the film for its tone and "generally strong performances", calling it "skillful enough to satisfy most viewers, if not quite sufficiently original in concept or striking in execution to leave a lasting imprint.

"[9] Henry Stewart of Slant Magazine gave the film two out of four stars, criticizing its characterization: "The character drama becomes afterthought as it's superseded by action.