Nobunaga no Yabou: Zenkokuban is a strategy simulation game for PlayStation, originally part of the renowned Nobunaga's Ambition series. Players choose to control historical figures such as Nobunaga Oda or Shingen Takeda, aiming to unify Japan across 17 regions. Gameplay involves managing resources, developing economies, and commanding armies in tactical battles against rival clans.
Nobunaga's Ambition, the first of the series, was released in 1983. Players assume the mantle of either Nobunaga Oda or Shingen Takeda and strive to conquer the entire land (17 areas in the Kansai and central Japan region). They manage their country to make it rich, then prepare their military forces. These then attack and defeat surrounding Clans in battle.