One of the first two games for the Series: SS (Sho-Kikaku), depicting the 4th battle of Kawanakajima during the Japanese Sengoku period. Takeda Shingen and Uesugi Kenshin were great warlords in the Sengoku period. Kawanakajima was their main battle ground in Shinano Province. Players control either the Takeda or Uesugi clan army. Each unit represent 500 soldiers and named by the commander. Each turn, players alternately activate one unit for movement and combat. Combat result table is a differential of strength between attacker and defender. The winner is determined by the destruction of the opponent army.