Miller's Hollow (2015)

As a child Mariel Winthrop was terribly bullied. Now that she is all grown up, she is still holding a grudge. She is traumatized by her past and after her only support, her mother, passes away, she decides that it's payback time. She invites those who bullied her the most to a so-called reunion. It's immediately very awkward, so they decide to play a game. But is it really just a game?