This is the volume 2 of the series Hyper Sudoku 3D Challenge. The hyper Sudoku 3d is composed of 2 or 3 Sudoku 3D linked together. A Sudoku 3D is a Sudoku in a shape of cube. The amalgamation of many cube together add a challenge. Because not only each face of a cube must take in account the given of the other faces of the cube but each cube must take in account the givens of another cube. You will find, in this book Hyper Sudoku of many cubes, sizes and kind (regular or jigsaw). This book will please all Sudoku adept. All the puzzles are challenging and entertaining. If you are looking for something unusual and challenging try the Hyper Sudoku 3d challenge and enjoy!