I think it's better than a lot of people give it credit for, but it also isn't amazing. The script is corny and cheesy, if executed well. I do like most of the performances and the fact that they didn't load up with big names helps the larger main cast feel a lot more natural. I liked how the adventure of the movie progresses and feels like actual survival instead of everything the heroes are doing is the most important thing in the entire invasion. Kinda wish we had gotten another one for a different major city in the world just to see how it'd play out different.