✓ Effortless Math · Free Game
Math Doku
Sudoku meets arithmetic! Fill every row and column with each number once, and make every cage hit its target. Use notes, think like a detective, and crack the grid.
- 1Each row and each column uses the numbers 1 to N exactly once.
- 2Thick borders make cages. The cage's numbers must make its target, like 12× or 3−.
- 3Use notes to track possibilities. Solve with no hints for 3 stars! A new daily puzzle appears every day.
Grid size
Difficulty
🧮Puzzle4×4 Easy
⏱️Time0:00
💡Hints0
🏆Best—
Pick a cell and start with the easiest cage!
⌨️ Arrow keys move · 1–N fill · N toggles notes · Shift+number adds a note · Backspace erases · Ctrl+Z undoes