The acting is not atrocious, as some say, but it's prettt bad. The fx are are so poorly done. Some early horror movies one can understand that, but this is from the mid/late 80's and any film that didn't use decent fx was either extremely low budget or simply chose not to spend the money on them. Not sure if the answer for this flick but the fx are birtually non-existent.
Just not a good flick. Fake blood and gore (and very little of it at that), bad acting, and just all around poor movie.