You're the next

The story focuses on a family, they are at a family gathering and unknown attack them with a crossbow and knives. Although the story focuses more on Erin that is the girlfriend of a family members. Erin is the daughter of a man obsessed with survival and she will use the lessons that his father to them face against the attackers. You're next, is a film of "terror", I put in quotes because I saw it and have laughed instead of fear of how the characters dying excessively bloody ways, like one time that the protagonist breaks a blender on the head of an attacker and then the nails on the head after andd plug it to the current and you can imagine what happened. I recommend this film to all fans of the films of the bloody movies.