“That M.X.E.S. security program was designed to keep it hidden, but you shut down the security. Now it's free.„~ Gregory explaining M.X.E.S.

M.X.E.S., also known as the Entity, is the secondary antagonist of Five Nights at Freddy's: Security Breach's sequel DLC, Ruin.

It's a sentient security program designed to keep the Mimic hidden in Freddy Fazbear's Pizza Place. Throughout the game, M.X.E.S. constantly stalks Cassie, trying to kill her to prevent her from disabling the security nodes in th