High Quality Content by WIKIPEDIA articles! Empire: Total War is a turn-based strategy and real-time tactics computer game developed by The Creative Assembly and published by Sega. The fifth instalment in the Total War series, the game was released in North America on 3 March 2009, and in the rest of the world the following day. The game, which focuses on the early modern period of the 18th century, was announced at the Leipzig Games Convention in August 2007.