What is the Boundless Fantendoverse?, the Boundless Fantendoverse is a collaborative creative writing project that exists to allow for many users to collaborate and work together on writing a shared universe under common goals. It is the fourth iteration of the concept following from the original Fantendoverse, New Fantendoverse and Fantendoverse τ. The project allows users to work together to create a more comprehensive shared universe of content and ideas.