Five Nights At Freddy's is one of the best browser based horror games in which you have to survive atleast five nights in Freddy Fazbear’s Pizza place. The place is haunted by four animatronic animal robots and your objective is protest yourself from being attacked by the robotic characters. You are allowed to stay in a single room from where you have access to security cameras, lights and doors. You have to stay alert so that no one can attack you. Have fun!