Sudokube Demo 3D Sudoku for Android offers a unique and challenging twist on the Sudoku game. Each puzzle consists of a cube with a Sudoku puzzle on each side, with the added challenge that the numbers on the edge are shared across adjacent faces of the cube. The demo version contains a single puzzle and contains advertisements. The game has been optimized to run on all screen sizes, from small QVGA screens to large screens found on tablets.