"A well-etched story on dread overload."
— Sheri Linden, Hollywood Reporter
"90 minutes of psychologically punishing, vise-like tension, but also a sharp and canny report on human behavior."
— Jordan Hoffman, The Messenger
"The most brilliant aspect of the script, penned jointly by Green and Oscar Redding, is its flair with sketching out the ups and downs of Hanna and Liv’s friendship."
— Tomris Laffly, TheWrap
"Garner and co-star Jessica Henwick navigate the picture’s mixture of drama, suspense and horror superbly, leaving the audience fearful that this slow-burn powder keg will eventually go off."
— Tim Grierson, Screen Daily
"Laughter and wails are almost interchangeable. That tension makes the film excruciating but exciting; like the characters, the viewer has to try to suss out what is a danger and what is just a good time."
— Esther Zuckerman, Vanity Fair