As the game progresses, the antagonists become more aggressive and quicker in their pursuits and make attempts to capture Schmidt more frequently and in less predictable ways, hallucinations will also begin to appear frequently, created by Schmidt's worsening paranoia.
As the game progresses, the animatronics-Freddy Fazbear, Bonnie the Bunny, Chica the Chicken, and Foxy the Pirate Fox-become more aggressive and quicker in their pursuits, and make attempts to capture Schmidt more frequently and in less predictable ways. Hallucinations will also begin to appear frequently, created by Schmidt's worsening paranoia.