The Hindu's Baradwaj Rangan, who called Pisaasu a "terrific addition to one of the most exciting oeuvres in Tamil cinema", further wrote, "With most of our movies, we sense pages from the script being transposed to screen -- there's so little that can be called cinema. Mysskin's cinema is all cinema, and it appears to rise from some place deep within him, some place even he may not be aware of. And he's at a point now where he can execute the must-haves of commercial cinema in increasingly inventive ways...The filmmaking is more than clean. It's...pure". Rediff gave the film 3.5 stars out of 5 and wrote, "Deliberately paced, with stunning music and an intriguing plot, Pisaasu is a typical, thought-provoking Mysskin film that deserves much applause. The taut screenplay, simple dialogues, excellent characterisation and admirable performances coupled with perfect execution, make Mysskin's Pisaasu a must watch". Sify called it a "very satisfying horror movie. The film works to a large extent because there is a level of acting here that's rarely seen in films in this genre. Simple filmmaking techniques like camera angles, keen concepts and fantastic sequencing to create a truly terrifying horror experience that is mostly free of blood and gore, makes it an edge-of-the-seat thriller". silverscreen.in wrote, "The director's fascination for everything morbid is what drives the script. He's one of those artistes that paints penury in flattering colours, glorifies everything that is bare and poor, and gets lyrical with the dark and the dismal. Pisaasu is elementally Mysskin that way. It is dotted with the specially-abled, set against a grim canvas".