: Players must manage a "toxic meter." Animatronics like Crowy can trigger a fumigation system that floods the office with toxic gas if not properly handled, forcing the guard to manage fans or specific computer commands to survive.
: Certain animatronics, such as Crowy, leave the stage specifically to scan for human heat. Players must react to her presence at doors or windows with specific behaviors—such as keeping curtains open—to avoid detection and subsequent fumigation. Five Nights at Leon's: REMASTERED
Because the game was recoded from scratch for better visual fidelity, it has higher hardware demands than typical Clickteam-based fan games: : Players must manage a "toxic meter