Hold left / right of the screen (or arrows) — lean the ferry. Gather the warm lanterns: +1 each. The grey rocks end the journey at a touch. The current quickens the further you go. M mutes.
THE STORY
The dead do not cross the river here — they float down it, each as a small lantern, looking for the sea. The ferry goes with them, not to carry, but to keep company. The rocks have been refusing company for ten thousand years.