It's pure insanity from start to finish, loaded with moments that are as unforgettable as you could ever hope for a horror movie to be. (bloody-disgusting.com)
Jealousy is maddening, and can show off as pure insanity when it's at its highest level of emotional turmoil. (powerofpositivity.com)
It's pure insanity fuel - injected with nitrous oxide. (fatmovieguy.com)