The Creative Assembly is a British developer of games based in Horsham, United Kingdom. The company was founded in 1987. The Creative Assembly is known for developing the Total War series. The first game of the series, Shogun: Total War was developed in 1999, later the developer continued with other titles of the series, such as Medieval: Total War, Rome: Total War, and sequels. In 2005, The Creative Assembly was acquired by Sega and became its subsidiary.