Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.
by John Detloff★ 4.7433 ratingsGamesFreeData updated 2026-09-06
Solve puzzles by filling a grid with numbers that add up to given clues. Each row and column must contain unique digits. Complete the grid by ensuring all sums match clues and no duplicates exist in any sum.
Solve numerical puzzles by filling grids with numbers 1-9. Each row and column adds to given clues. Numbers cannot repeat in a word. Track progress through multiple puzzle levels.
Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
Solve puzzles with varying grid sizes and difficulty levels. Input numbers to fill grids without repeating in rows or columns. Use arithmetic operations to complete puzzle sections. Track progress and restart puzzles.
Play a logic puzzle game by placing blocks on a 9x9 grid. Fill rows, columns, or squares to clear the board. Drag pieces to the grid and avoid running out of space. Track high scores and challenge yourself with addictive brain training .
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Play by filling a 9x9 grid with numbers 1-9 without repeating in rows, columns, or boxes. Solve daily puzzles with varying difficulty levels. Track progress and complete challenges to improve logic and problem-solving skills.