Mathrax
Game Rules: Fill the grid with numbers from 1 to the grid size so that no number repeats in any row or column. At each clue dot between four cells, the two diagonal pairs of cells must satisfy the arithmetic operation shown (e.g. 6× means the two diagonal cells multiply to 6, 3+ means they add to 3). Click a cell to select it and type the number.
Game Controls
Game Information
Shortcuts: Ctrl+S(Save) | Ctrl+O(Load)
Game Rules: Mathrax
Free online Mathrax puzzle - place numbers satisfying diagonal arithmetic clues. A challenging blend of Sudoku and arithmetic constraints.
Fill the grid with numbers from 1 to the grid size so that no number repeats in any row or column. At each clue dot between four cells, the two diagonal pairs of cells must satisfy the arithmetic operation shown (e.g. 6× means the two diagonal cells multiply to 6, 3+ means they add to 3). Click a cell to select it and type the number.
Frequently Asked Questions
Can I play Mathrax for free?
Mathrax is free to play online. You can start in your browser without downloading or installing anything.
Does Mathrax work on mobile?
Yes. Mathrax can be played in modern desktop and mobile browsers.
Do I need an account to play Mathrax?
No account is required. Open the puzzle page and start solving immediately.
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