Insanity is a scary horror simulation social game, from PlayFlock, free to play on Facebook.
Insanity, places the action in the mental hospital, where player takes the role of a mentally-disordered patient who participate in a underground fights against other players, take control of a mental hospital places, earn money by doing errands for doctors and nurses, and face the bosses. You can fight on your own, or receive help from your friends. The battles are turn-based and are placed in a dark and almost empty room, where you will punch the enemy by clicking on him. Players complete jobs by simply clicking the task and consuming energy.
Insanity, try to introduce the player in a dark and scary atmosphere of mental hospital, bringing scary pictures everywhere, but you will not be too scared, because the lack of details will give you the impression on unfinished work. It's an interesting game, but could be better than that.