Wolfenstein is a series of video games that primarily focuses on the fight against Nazi forces during an alternate history of World War II. The franchise began in 1981 with the release of Castle Wolfenstein, which is considered one of the first stealth-based games. Over the years, it has evolved into a first-person shooter, featuring various characters, including the iconic protagonist B.J. Blazkowicz. The games are known for their engaging narratives, intense gameplay, and a mix of historical and fictional elements. Players often navigate through various missions, battling Nazi soldiers and supernatural enemies, while uncovering plots involving advanced technology and occult practices. The series has received critical acclaim for its storytelling and innovative mechanics.