Gravity Snake takes the evergreen grow-as-you-go snake and gives it a twist worthy of the name: a sense of gravity bending the old rules of the grid. The core loop is the one everyone remembers, keep eating, keep growing, and do not run into yourself, but the pull underfoot asks you to think about direction in a fresh way.

It runs free in the browser with no download, the ideal home for an io game built on quick reflexes and steadily rising nerve. Plan your turns early, give yourself room, and let the tail chase you honestly. When you are ready for more, Pogglo lines up a whole shelf of io games to dive into.