Mathrax Pro
A harder Mathrax with more intersection clues and fewer starting digits.
Controls
Fill each row and column with 1–N exactly once. Circles between four cells give parity (E/O) or an arithmetic clue for the diagonal pairs. Mathrax Pro shows more intersection clues and fewer starting digits than classic Mathrax.
Logic · Numbers · Deduction · Grid
Brain training · PuzGo