Lemur Ranch

Every river in the lower 48, coloured by where its water goes. Zoom in and the colours split; click a river to follow it to the sea.

Snake, rethought: length is your only currency. Trap your rivals and survive the shrinking arena.

Think of any Magic: The Gathering card and the Sphinx will find it in twenty yes/no questions. Or guess today's mystery card yourself.

A game whose rules the players rewrite while they play. One rule is a game. Twenty is weather.