2D & 3D Puzzles with Moving Pictures - more difficult and more exciting.
To operate puzzle: "Touch" on puzzle.
To rotate puzzle: "Touch-and-Drag" aside from puzzle.
To zoom in/out: "2-fingers" scale.
Cracker => 3x3, 4x4, 5x5, 6x6, 7x7, and 8x8.
Lasagna => 3x3x2, 4x4x2, 5x5x2, 6x6x2, and 7x7x2.
Burrito => 2x2x2, 3x3x3, 4x4x4, and 5x5x5.