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 release in other countries, Roberto Curti, who authored a study on Italian Gothic Horror Films between 1957 and 1969, indicated that "Terror-Creatures from the Grave" was "one of the most popular Italian horror films of the decade abroad."