maximum of 50 units out on the battleground at a time. Version differences The MSX2 and Sharp X1 versions of the game are largely identical, featuring nine cities to fight over. The PC-88 version has different visuals, different renditions of the game's music tracks, and only five contested cities. The AI scripts between the two versions also differ slightly. Herzog Zwei Herzog served as the prototype for its more well known 1989 Sega Mega Drive sequel Herzog Zwei, which is considered the first real time strategy game. It was the first with a feature set that falls under the contemporary definition of the genre, predating the genre-popularizing Dune II (1992). External links References 1988 video games MSX games NEC PC-8801 games NEC PC-9801 games Sega Games franchises Sharp X1 games Strategy video games Technosoft games Video games developed in Japan Multiplayer and single-player video games