Sudoku Vault

Sudoku Vault offers 4x4, 6x6, and 9x9 grids with four difficulty levels each, from Basic to Expert. Fill every cell using logic and notes.

How To Play Sudoku Vault

Select a cell with a mouse or touchpad, then choose a number from the on-screen pad.

Controls and Features

Use the Note button to toggle pencil marks for tracking possibilities across the grid. Tap Check to remove incorrect inputs and lock correct ones, keeping you focused.

Tips

Toggle Notes on to mark possible numbers before committing to a cell. Use Check to clear mistakes and lock correct entries as you work.

Sudoku Vault FAQs.

Q: How do I input numbers? A: Select a cell with a mouse or touchpad, then choose from the pad.
Q: What is the goal? A: Fill every cell with the correct number for each grid.
Q: What does the Note button do? A: It toggles pencil marks to track possibilities.