Sudoku, the puzzle trend from Japan, captivates both young and old alike. For those who can't get enough, here are brand new challenges! Because Sudoku doesn't always have to consist of boxes with the numbers 1 to 9. From the puzzle workshop of Eberhard Krüger come 17 new Sudoku variants - Star Sudoku, Killer Sudoku, Sudokus with letters and symbols, and many more. This stimulates the brain cells to new heights - for beginners, advanced puzzle enthusiasts, and seasoned pros. 17 new Sudoku variants in all difficulty levels: for young and old. It trains logic, endurance, concentration, and memory.