Thread for keeping track of who came up with what Earth, as well as brief blurbs about them.
Earth-1723
High tech, almost cyberpunk, Earth. Natalie/Intercept's home Earth.
Earth-10299
Originally believed to be a primitive world, is instead a far-future world that survived a mystical apocalypse that wiped out most technology. Said apocalypse has been buried in the mists of that Earth's time. Tere-za's home Earth.
Earth-668
Earth largely locked in the 1920s of Earth Prime. Experiences a significant number of dimensional incursions. Rift personnel have made several trips to this Earth is the past.