No fog radius โ only the beacons you light stay charted.
You always see straight down open corridors โ telescopes fix a sightline for good.
Reach any of three windmills for a different ending, plus a cart-path shortcut.
Follow the river to any of five destinations โ commit to a fork and the other channel seals shut.
The original. Only a radius around you is ever visible โ navigate the fog by memory.
Nine circles, each worse than the last, on a 1000ร1000 descent through Hell.