The first Godzilla and the most recent Godzilla definitely have a strong tone that is reminiscent of horror, and it confuses me how there can be people who don’t see that, but hey: it takes all kinds, right? I must say, though, that most of the other Godzilla films (and Toho monster flicks in general) do not give me the same sense of dread, and are in fact, more campy sci-fi than anything else. I love them for that, but the thing I love most is the tone of the original; and now (happily) Godzilla 2014–which is clearly that of horror.
I seriously considered talking about the 2014 movie in this post, but ultimately I just don’t feel like I have enough personal history with it yet. It definitely deserves a spot on any future versions of this list.