Solve logic puzzles by filling grids with blue and yellow colors. Follow rules to balance colors in rows and columns. Use equal signs for matching colors and X for opposite colors.
Play with thousands of free puzzles. Solve grids by filling numbers 1-9. Take notes that update automatically as you progress. Adjust difficulty levels and track progress. Share completed puzzles with friends.
Solve logic puzzles by painting squares and filling regions to reveal pixel-art images. Use clues from rows and columns to determine which squares to color. Complete grids to uncover hidden pictures.
Play by filling 9x9 grids with numbers 1-9. Ensure no duplicates in rows, columns, or 3x3 boxes. Access 5000+ daily. Track progress and solve to improve logic and memory.
Play with 4 difficulty levels and 3 input modes: "Digit first", "Cell first", and "Smart fill". Save progress automatically and resume later. Compete in weekly challenges and upload scores to compare with other players.
Play by filling a 9×9 grid with digits 1-9. Choose from four difficulty levels. Ensure no repeated numbers in rows, columns, or 3×3 sub-grids. Solve puzzles using logical deduction only.