Critic Diana Sanchez liked Ortega's direction, and wrote, "What I like best about Monobloc is that Ortega is not afraid to take risks; he creates an unknown environment using normally straightforward cinematographic elements like sound, camera movements and seemingly impossible locations.
Jonathan Holland, film critic at Variety, gave the film a mixed review and wrote, "Pretentious, dreamlike Monobloc is a ponderous attempt by sophomore helmer Luis Ortega to achieve auteur status.