Street Fighter Alpha is a series of fighting video games developed by Capcom. It serves as a prequel to the original Street Fighter II and features a roster of iconic characters, including Ryu, Chun-Li, and Ken. The game introduced new mechanics, such as the Alpha Counters and the ability to perform special moves with a combination of buttons. The series is known for its vibrant graphics and fast-paced gameplay. It also includes a unique storyline that explores the backgrounds of various characters, adding depth to their motivations and relationships. Overall, Street Fighter Alpha has become a beloved part of the Street Fighter franchise.