Sudoku Vault

About Sudoku Vault

Sudoku Vault offers three board sizes – 4×4, 6×6 and 9×9 – each with Basic, Normal, Hard and Expert levels. Beginners can start small; experts can test themselves on hard 9×9 grids.

A great way to learn sudoku step by step.

How to Play Sudoku Vault

Choose a board size.
Choose a difficulty.
Fill the grid with the right numbers.

Sudoku Vault Tips & Tricks

Start with 4×4 if you're new.
Move up a size when comfortable.
Use pencil marks on 9×9.

Sudoku Vault FAQ

What sizes are available?

4×4, 6×6 and 9×9.

How many difficulty levels?

Four per size.