The Wolfenstein Series is a popular video game franchise that began in 1981 with the release of Castle Wolfenstein. The series is primarily known for its first-person shooter gameplay, where players often take on the role of a soldier fighting against the forces of the Nazi regime during World War II. The games feature a mix of action, stealth, and exploration, with a focus on defeating various enemies and completing missions. One of the most notable entries in the series is Wolfenstein 3D, released in 1992, which is credited with popularizing the first-person shooter genre. Over the years, the franchise has evolved, introducing new characters and storylines, including the protagonist B.J. Blazkowicz. The series has received critical acclaim for its engaging gameplay and narrative, making it a significant part of gaming history.