* AwesomeMusic: Fabio Frizzi's ice-cold electronic score perfectly captures the feeling of hopelessness and despair felt by the characters in the face of the coming ZombieApocalypse. Especially with the [[https://www.youtube.com/watch?v=ZrrwonL5UVU main theme]].
* CrowningMomentOfFunny: As Susan gets ready to go scuba diving, [[MaleGaze Peter can't help but stare as she gets undressed.]] When Anne, Peter's ImpliedLoveInterest, notices him ogling Susan, he quickly looks away and tries to act casual. [[NotDistractedByTheSexy Meanwhile Brian, Susan's actual boyfriend, is nonchalantly munching on a snack with a look that says 'Eh, seen it.']]
* CrowningMomentOfHeartwarming: On a meta scale. Imagine being shunned by much of the movie making business and laughed at. Many people, actors and crew, experienced this. It wasn't until a Con invited them to America did they realize just how much people loved the film. They truly felt honored to have a devoted fanbase and were so happy to see people enjoy it. They were even moved to tears once people began to thank them for the film. They love their fans as much as they love them.
* EnsembleDarkhorse: "Ol' Worm Eye," one of the most famous zombies in movie history.
* HolyShitQuotient: The special effects. Seriously, when you've seen ''Film/DawnOfTheDead1978'', which had ground breaking effects for the time, compared to this ''one'' the zombies are much better and scarier. Couple this with how even the effects crew thought they'd do a bad job with this film.
* {{Narm}}: The acting ranges from stiff to over-the-top, which can make some of the more legitimately serious scenes into this (combined with rather gratuitous closeups and jump cuts).
** The [[BolivianArmyEnding ending]] would normally be [[NightmareFuel horrifying]]...except for the fact that despite zombies slowly walking towards New York City (which they [[ZombieApocalypse apparently already control]]), cars are seen driving both out of and ''into'' the infested city at no faster speed than one would expect on the average NYC day. While this is obviously due to that the film didn't have enough money to close down one of the streets in the busiest city on Earth for filming, it's still a surreally hilarious shot in an otherwise realistic film (for a zombie movie, anyway).
%% NauseaFuel: ''Big time''.
* StrangledByTheRedString: Anne and Peter, after going the entire movie with hardly any romantic tension, suddenly pick a time where they're lost on an island crawling with undead, having just narrowly avoided being killed, to start making out on the ground. Though it was probably justified by the filmmakers as it creates an excuse for [[NightmareFuel a zombie's hand to come out of the ground and grab Anne's hair.]]
* TearJerker: Dr. Manard [[spoiler: having to [[MercyKill shoot the corpse of Anne's father.]]]] It's clear the two men were good friends from the way Manard agonizes over the action. At one point he even seems to break down and almost start to cry before he finally works up the nerve to pull the trigger.
** Brian [[spoiler: [[PietaPlagiarism cradling Susan's dead body after she's killed by a zombie.]]]]
* TheWoobie: Poor Paola. She's scared out of her wits being on an island full of zombies and isn't allowed to leave just because her husband wants to study them further. She ends up getting the most brutal death in the film.
** Anne as well. She unexpectedly loses contact with her father while he's on a trip, her only clue to his whereabouts being his boat turning up with a single zombie on-board. She goes to Matul looking for answers, only to find out [[spoiler: that her father became infected with the zombie plague and had to be [[MercyKill mercy killed]] by his friend.]] And that's ''before'' she has to spend the rest of the movie running from zombies!
* TookTheBadFilmSeriously: Richard Johnson was embarrassed about appearing in this film. But being the consummate professional that he was, he gave it his all and it shows. The world-weariness, the good intentions, Johnson manages to turn the role of a mad scientist into a tragic, well-intentioned scientist trying to solve the problem instead of exacerbating it.
* VindicatedByHistory: Upon its release it was labeled a video nasty and critics weren't too impressed. Even the Italian critics felt it was below par. However, once YouTube began clips featuring the [[SignatureScene now-famous]] [[CoolVsAwesome Shark vs. Zombie]] and the [[EyeScream eye gouging]] scenes they racked up views in the millions. Couple that with some newer reviews from online film critics and people were actively seeking out the film in droves. Nowadays, it's considered up there with other great zombie films like Romero's original film trilogy. Hell, most will likely be offended nowadays to ''not'' see this film on "Best Horror Movies"/"Best Zombie Movies" lists.
* VisualEffectsOfAwesome: The film has a noticeable "low-budget" feel to it, but the makeup and gore effects are ''very'' realistic, being arguably some of the most impressive makeup work in the history of exploitation cinema.
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