Play 4×4 Sudoku Online — Free for Beginners & Kids
A free 4×4 Sudoku, the simplest way to learn. Fill the grid so every row, column, and 2×2 box holds the digits 1–4 exactly once. Ideal for children and first-time solvers.
4×4 Starter
Character
Difficulty
Mode
Hints available. Mistakes are tracked.