Good but incomplete to me

Rating: 7/10 (23 April 2018)

This movie is a good horror film, new ideas, the way it use silence and sound to make tension is great. But in the end, it feels like this movie has not yet finish.
What happens to the mother and the 2 kids with a baby? How can they deal with 2 monsters while they merely deal with one? Where did every thing come from? Why are they the only family to survive?
Yeah, you don't need to explain everything in a movie, but you can't skip everything, atleast you have to tell us what happens to the family!
It feels like this movie had rushed at the end, it made every good attempt from this movie sort of wasted.