animatronic characters, Five Nights at Freddy's 2, challenging gameplay, security guard, office setting, vintage pizzeria, multiple entry points, limited power supply, flashlight, Freddy Fazbear, Chica, Bonnie, Foxy, new animatronics, Toy versions, Puppet, Balloon Boy, music box mechanic, surveillance cameras, fast-paced, jump scares, strategic camera monitoring, mask disguise, eerie atmosphere, dim lighting, survival horror, night shift, tension-filled, complex AI, unpredictable patterns, 3/4 view, ambient sound effects, high difficulty level.