The Sphere of Various Dooms: Terrible things are locked away for a reason. World-destroying remnants of technology are put where they can’t get out. And now the only hope to save yourselves lies somewhere inside the one place that nobody wants to go.
OAP Apocalypse World – Retirees with limited funds, mobility, and current-day knowledge venture out into the modern world, in search of adventure, or just something better than the retirement home.
Little People, Giant World – Miniature humans exploring the world outside of their home discover the truths & the misunderstandings of their own past.
Combat Xenoarcheology – Looking for relics of previous civilizations, battling other xenoarchaeologists, and trying not to to let the things you find kill you or destroy the galaxy.