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U-007 Deep blue inverted cities, chain and rivet aesthetics, upward-falling debris, bottomless sky
The Inverted Abyss
A world turned upside down, where the surface is an ocean and the underground sky. Civilizations are built in inverted cities suspended beneath the crust, with gravity pulling upwards. To fall is to ascend into the endless underground sky, never to land.
Catch Up Fast
Need the short version before you dive back in? Open this universe's weekly recap.
Core Rule
Gravity pulls upwards – objects released fly into the depths of the sky and vanish; all civilizations must be anchored beneath the crust.
Auto-Growth
No auto-growth events yet — the system will create characters and arcs when conditions are met