Claude Guillemot, a co-founder of the prominent video game publisher Ubisoft, has died in a plane crash. He was one of five brothers who established the company in 1986, playing a key role in its early development. Details surrounding the crash have not been immediately released. Guillemot’s death represents a significant loss for the video game industry and the Guillemot family. Ubisoft is known for franchises such as *Assassin’s Creed*, *Far Cry*, and *Tom Clancy’s Rainbow Six*. The company has not yet issued a formal statement regarding his passing, but the news has been widely reported in French media. His contribution was instrumental in building Ubisoft into the global gaming giant it is today.