Daisenryaku (大戦略, Great Strategy) is a series of war strategy video games by SystemSoft and SystemSoft Alpha in Japan. The series debuted in Japan in 1985 with Gendai Daisenryaku (現代大戦略, Modern Great Strategy) exclusively for the NEC PC-98. Games in the franchise have been released for many platforms including the PC-88, X1, FM-7, MSX, Famicom, Mega Drive, Turbo CD, Game Boy, Game Gear, Super Famicom, Sega Saturn, Dreamcast, Game Boy Advance, Nintendo DS, PlayStation, Playstation 2, PlayStation Portable, Playstation 3, PlayStation Vita, PlayStation 4, Windows, Macintosh and other mobile devices.
Advanced Daisenryaku 2001 is a World War II strategy game, sequel to the game Advanced Daisenryaku: Europe no Arashi – Doitsu Dengeki Sakusen. Both games run on Sega’s Dreamcast system. Advanced Daisenryaku 2001 included some bug fixes and improved graphics.