The basic premise of the game is to become a leader whose goal is to conquer and maintain all regions of China. However, the player can additionally become a Vagrant (unaligned wanderer) or a vassal serving a lord, in addition to becoming a ruler. The player can step down from any force at any time, betraying their liege, or defecting to another force. The player can also make oaths of friendship with fellow officers and marry other characters. (Wikipedia.org)