The initial installment of Scream established a unique approach to horror, introducing fresh conventions, an unconventional storyline, and surprising developments. It adhered to genre standards while simultaneously defying them, demonstrating a clever self-awareness that utilized familiar horror elements to build anticipation and then challenge audience assumptions. The film functions as a tribute to horror enthusiasts, displaying a deep understanding and respect for the history of frightening movies while also forging new ground with its inventive and unexpected nature. Its darkly humorous perspective and appreciation for frequently used horror plot devices led to what is considered one of the earliest meta films ever made. The characters are conscious that they’re participating in a real-life horror scenario, yet still make predictable choices typical of those films, creating a false sense of security before abruptly shattering expectations with unexpected changes in direction. As an original work, Scream initiated a new branch of horror and launched a movie series that continues to this day, more than 25 years after its debut.

Source on TMDB