Players control a party of up to six characters out of 108 possible recruits. The core group consists of a swordsman from a small village, Myura, and Zeno. These three form the primary team that players use during most missions.
A mysterious boy called Xephon throws the protagonists back in time 100 years. They must train with heroes of antiquity while trapped in the past to stop the Centennial Monster. This powerful being attempts to destroy the world each hundred years across multiple eras within the same fictional universe.
Konami representatives announced the game at the 2011 Tokyo Game Show. No specific details emerged until October 2011 issues of Weekly Famitsu magazine appeared. An English fan translation arrived later on the 7th of October 2021 through Twisted Phoenix Game Translation.
Gensō Suikoden: Tsumugareshi Hyakunen no Toki became the highest-selling title during its debut week in Japan. Sales reached 61,784 units within that initial period before dropping from top charts in March 2012. Total regional sales climbed to 83,086 copies overall.
Konami offered multiple special edition packages through their Konami Style online store. Customers could bundle the game with a soundtrack CD, drama CD, artbook, and Genso Suikoden encyclopedia guidebook. The soundtrack album contains 38 tracks from the game across two discs.