Koihime Musou - Doki Otome Darake no Sangokushi Engi is a Japanese adult visual novel and strategy game based on the classic Chinese novel Romance of the Three Kingdoms. It was developed by BaseSon, and was first released on January 26, 2007, for the PC as two DVD-ROMs, followed by a re-release on April 11, 2008, containing an extra CD-ROM. The gameplay in Koihime Muso follows a linear plot line, which offers pre-determined scenarios and courses of interaction, and focuses on the appeal of the female main characters. A PlayStation 2 version, titled Koihime Muso developed by Yeti and published by Regista was released on October 30, 2008. A new version of Koihime with many new characters Shin Koihime Muso: Otome Ryoran Sangokushi Engi was released on December 26, 2008. A third version of Koihime Shin Koihime Muso: Moe Shodenwas released on July 23, 2010. European game publisher MangaGamer acquired licensing rights to the first game and released it on February 28, 2011. June of 2012 the website Jlist.com began selling copies of Koihime Musou as a DX version with restored voices; in a partnership with MangaGamer.