In Five Nights at Freddy's: Security Breach, players control Gregory, a young boy who must navigate the dangers of Freddy Fazbear’s Mega Pizzaplex while being pursued by various animatronics and other threats. The game emphasizes stealth and strategy, allowing players to use security cameras and environmental distractions to survive.

The storyline follows Gregory as he becomes trapped overnight in the Pizzaplex, relying on Freddy Fazbear to help him evade the relentless animatronic hunters. The narrative unfolds through exploration and encounters within the vast and intricate environment.

Five Nights at Freddy's: Security Breach stands out with its open-world design, allowing players to explore a richly detailed environment filled with attractions and secrets, as well as its dynamic AI that adapts to player actions, enhancing the tension and immersion of the gameplay experience.