GuitarFreaks is a popular music video game series produced by Konami, where players use a specialized controller to simulate playing an electric guitar. The game features music primarily from the rock music, rock and roll, and J-pop genres, and is known for its challenging gameplay and high-energy soundtracks.
 
GuitarFreaks has been widely influential in the video game industry, particularly in the development of rhythm-based games that simulate playing musical instruments. The game's success paved the way for other popular guitar-based rhythm games, such as the Guitar Hero series.