A snowy Japanese village, a frozen river and eight neighbours who need your maths.
Choose your animal:
Loading the snowy islands…
Move: arrow keys or WASD. Run: hold Shift. Do things: Space. Map: M.
Left thumb: move. Push far to run. Right thumb: A button. Tap the small map to open it.
Your 20 minutes on the island are up. Your stars and items are saved.