Daisenryaku 1941 [NTSC-J] [SLPS-20228] br Daisenryaku 1941 is a Historic Turn-Based Strategy game, developed by SystemSoft and published by Sammy Studios, which was released in Japan in 2002. Daisenryaku (大戦略 Great Strategy) is a long-running series of strategy games by SystemSoft and SystemSoft Alpha in Japan. SystemSoft Alpha performs development for all console Daisenryaku games while the parent SystemSoft writes Windows and Macintosh editions.