It's not easy to find similar feeling horror movies just out of the blue, but it helps when someone guides you to ones you maybe didn't know about that have that same "tone," "theme," or "feel." If you liked the ` group of people fighting something in an isolated location ' theme such as "Night of the Living Dead," you might like... "Food of the Gods." This 1970s flick has people trapped and fighting against mutant giant rats in a country home. "The Descent." A group of women go spelunking and get trapped with some kind of humanoid beings chasing them and turning against each other. "The Happening." Nature has it in for citizens and a group of friends gather together to escape, only to find few places to hide. "The House of Evil." (Richard Crenna) A psychiatrist wants to open a new clinic in a big old scary house with an evil history. Soon, the clean-up crew of friends is trapped. "...