3Sudoku
Challenge your logical reasoning with 3Sudoku, a classic and free online number puzzle. Your goal is to fill a 9x9 grid with numbers 1 to 9, without repeating any in a row, column, or 3x3 block. It's a perfect casual game for a mental workout anytime.
How to Play
Click on empty cells using a mouse or touchpad to fill in the numbers.
Avoid repeating numbers in any single row, column, or 3x3 section.
Complete each level to move to a more challenging one. Start with the simpler puzzles to build your skills and confidence!