Follow the river to any of five destinations — commit to a fork and the other channel seals shut.
Reach any of three windmills for a different ending, plus a cart-path shortcut.
The Minotaur actively hunts you through 1000×1000 cells — Ariadne's thread lights the way.
Void Drifters block your path — attack for a shot at loot, or dodge and stay safe.
Hellhounds, brimstone vents, and something waiting in the ice at the bottom.
Bioluminescent coral glows briefly as you pass — but something bigger is drawn to the light.