Sudoku Vault
A logic puzzle built around classic sudoku grids, with board sizes from 4x4 up to 9x9 and four difficulty levels. You select a cell with mouse or touch, then pick a number from the on-screen pad; the Note button lets you add pencil marks for candidates. A Check button removes wrong entries and locks correct ones, and the layout works in portrait on both desktop and phone.
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About this game
Sudoku Vault is a logic-based puzzle game featuring 4×4, 6×6, and 9×9 boards — each with four difficulty levels: Basic, Normal, Hard, and Expert. Whether youre a beginner or an expert, every grid offers a fresh challenge for your mind. Use smart NOTES to keep track of possibilities, and when you want to check your progress, tap the CHECK button — it will remove incorrect inputs and lock the correct ones, helping you stay focused on the solution. With clean design and intuitive controls, Sudoku Vault is the perfect blend of relaxation and brain training.
How to play
Use a mouse or touchpad to select a cell then choose a number from the on-screen number pad to fill it in Use the Note button to toggle pencil marks and tap Check to validate your entries mdash incorrect numbers are removed and correct ones are lock