Save the Asylum

You and your fellow orderlies are employees at the Salem Asylum. One of your patients has been acting very odd lately and a co-worker decides to double check on this patient. Hours pass and you have begun to realize something is dreadfully wrong. Proceeding to check on the patient, you arrive to the site of your co-worker in a less than terrible state and the patient is nowhere to be found. Turning to call for help, the door slams shut, leaving you locked inside. You now have 60 minutes to escape before the patient returns for his true revenge...