"Get In" has an interesting concept that appealed to me, which is based on a true story about a man dealing with squatters. It's much deeper than that, the movie touches on the concept of John Locke's theory of property, survival of fittest with sex and racial tensions being an underlying element to the entire plot.Other than that, Get in is best viewed going in knowing as little as possible.
The acting is pretty good and there is plenty of gore, at times violent especially in the second half of the film. The climax is very haunting and memorable, adrenaline-fueled ride which I can't imagine horror and thriller fans not enjoying.
The story does seem to overly rely on artsy horror movie tropes than I would have liked, also the set-up is not all that clever or original, in terms of scary, I can't say it was the most system shocking of the mix but it's all done so well that horror movie aficionados won't care. If you dig French Horror, Home invasions, and enjoyed films like Straw Dogs, Funny Games, then this is for you.