Samurai Babel

Ekron Universe In the heart of a world where ancient traditions meet futuristic visions, Samurai Babel unfolds as an epic saga of honour, adventure, and transformation. This open-source RPG MMO transports players into a universe where the echoes of samurai battle resonate with the whispers of untold secrets. The World of Samurai Babel The story is set in the sprawling realm of Babel, a land where majestic landscapes are dotted with ancient temples, bustling cities, and mysterious ruins. Here, the old ways of the samurai coexist with emerging technologies, creating a rich tapestry of history and innovation. Players find themselves navigating this dynamic world, where every decision can alter the course of their journey and the fate of Babel itself.

It's an ongoing game RPG and FPS  from Kreatyve Designs. It shares GPL and Proprietary code.