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: Sturm über Europa – Der deutsche Blitzkrieg or Advanced Daisenryaku: Europe no Arashi – Deutsch Dengeki Sakusen (アドバンスド大戦略～ヨーロッパの嵐･ドイツ電撃作戦～) is an entry in the Daisenryaku series of games and was released for the Sega Dreamcast exclusively in Japan. for SEGA Dreamcast.