Kessen

is a real-time tactics video game produced by Koei. It was a launch game for the PlayStation 2 in Japan and North America, where it was published by Electronic Arts. It was initially the only real-time wargame game available for the PlayStation 2.

It is a real-time tactics game set in feudal Japan, focusing upon a conflict between the eastern Tokugawa clan and western Toyotomi clan (with Ishida Mitsunari as the Toyotomi's guardian and protector) shogunates at the end of Sengoku Jidai. Tokugawa Ieyasu served as the primary representative for the Eastern forces where the Western army changed leaders based on the results of select key battles.