Select a cell with your mouse or touchpad, then pick a number from the on-screen keypad to enter it. Tap the Note button to switch pencil marks on or off, and press Check to verify your entries—wrong numbers get cleared, while correct ones lock in place.
Sudoku Vault is a classic logic puzzle game offering a variety of board sizes including 4x4, 6x6, and 9x9 grids, each with four distinct challenge levels: Basic, Normal, Hard, and Expert. No matter your experience, every puzzle is a new opportunity to test your skills. The NOTES feature lets you jot down potential numbers, and the CHECK function helps you stay on track by clearing mistakes and securing correct answers so you can concentrate on solving. Designed with simplicity and ease of use in mind, Sudoku Vault is your ideal daily escape for both mental exercise and calm focus.
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