What's the use of bashing this movie totally into the ground ? I think both cast & crew were perfectly aware that they weren't making a true masterpiece of cinema. They joined into the trend of making disgusting and utterly nasty mutated animal movies and - keeping that in mind - it's good for what it is. Besides, the director of Slugs - the Spanish Juan Piquer Simón - was the same guy who brought us the most hilarious "so bad it's good"-movie I ever saw !! He delivered Supersonic Man 10 years earlier and I'm still laughing when I think about that, so I can't be too harsh on him.

Slugs is a very easy to watch horror film. It's nothing more than a slideshow of bloody and gory scenes with an extremely thin plotline to connect it all. A whole lot of lousy characters are introduced and a few minutes later they're brutally getting killed by thousands of ugly slugs. That's it ! Meanwhile, a guy from the healthy department is running from one side to the other, trying to convince his little town that they're facing a terrible disaster. Don't worry too much about where the slugs come from and how they got this big, because the scriptwriters didn't seem bother much about that neither. Mutated flesh-eating slugs...period ! The acting is bad and the dialogues are ever worse...Pay no attention to what they're saying because it looks just like a lousy attempt to create a little atmosphere. Nasty killings and whole buckets of blood ! that's the only reason to give it a look.