The Wonderful End of the World

You can't save the whole world. It's going to be eaten by a mythological demon with the head of a fish. But as a puppet that absorbs all it touches, you can try to rescue as much of Earth's greatness as you can before the end arrives. In the beginning, you roam the Earth, capable of absorbing only the tiniest of objects. A glass marble you collect becomes your head, and a pair of jellybeans becomes your hands.