On the film's release abroad, Roberto Curti, author of Italian Gothic Horror Films, 1957-1969, stated that Terror-Creatures from the Grave was "perhaps one of the most popular Italian horror films of the decade abroad."
In its international debut, Roberto Curti, who wrote about Italian Gothic Horror Films from 1957 to 1969, remarked that "Terror-Creatures from the Grave" was "one of the most widely appreciated Italian horror movies of the era overseas."