This is pretty much the typical slasher, with just one twist. It's also helped by the fact that there's other things going on than just a bunch of killings; there are conflicts between the characters from the very beginning, before the killing starts. This is pretty unique for a slasher, and it definitely helps the film become more interesting. The plot is interesting, well, more interesting than slasher plots usually are. The acting is pretty much all very good, the actors nearly all give top-notch performances. The special effects are good, and mostly pretty convincing. I've heard a lot of people complain that this movie is a ripoff of the Carpenter classic "The Thing". While that film is the better of the two, this is by no means a simple ripoff. The plot in this is not the same, there are just a few striking similarities. I would rather think of it as a reference, something to honor Carpenter's abilities - Rodriguez was inspired by Carpenter, after all. I would recommend this to pretty much anyone who enjoys slasher movies, sci-fi flicks, or crossovers of the two genres. It's very enjoyable; the only thing I hated was that they had casted Elijah "babyface" Wood in one of the leads... oh well. You can't always enjoy all aspects of a film. 7/10
