Open Grave (2013)
Aside from some minor pacing issues here and there, I liked it for the most part. It's interesting and really grabs you from the start, ultimately delivering a nice blended twist of sub-genres. Worth a look, especially...
The Quiet Ones
Tells the story of an unorthodox professor who uses controversial methods and leads his best students off the grid to take part in a dangerous experiment: to create a poltergeist. Based on the theory...