A casual game of logic and numbers. Each puzzle has "easy" and "hard" solutions. Can you earn all the stars? Play over 40 puzzles at your own pace. Undo, reset, or skip puzzles at any time. The rules are simple: Combine two tiles to subtract the smaller number from the larger. Keep combining tiles until all the numbered tiles are gone. Use up all the tiles (including blanks) to earn stars. Give your brain a twist with nozoku!