', the fourth title in the franchise, was announced in January 2006. It was a remake of the earlier "Medieval: Total War" using the new assets and technology behind "Rome: Total War". The game was released in November 2006, and although not as successful as "Rome: Total War", "Medieval II: Total War" was still a critical and commercial hit, holding a place in the UK games charts in November 2006, and in the US charts until the end of January 2007. An expansion pack, ', was announced in March 2007. The expansion received a positive reception from critics upon release in August 2007.