Sudoku continues to enthrall the world, but many of the offerings are still computer-made beginner-level puzzles. The new killer sudoku in Even Higher Sudoku pick up where the internationally acclaimed puzzle master Tetsuya Nishio left off. Experience the handmade pitfalls and five new diabolic variations that will refresh and deepen your griddy love.

Sudoku continues to enthrall the world, but many of the offerings are still computer-made beginner-level puzzles. The new killer sudoku in Even Higher Sudoku pick up where the internationally acclaimed puzzle master Tetsuya Nishio left off. Experience the handmade pitfalls and five new diabolic variations that will refresh and deepen your griddy love.