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Sudoku Vault

Sudoku Vault is a logic-based puzzle game featuring 4x4, 6x6, and 9x9 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.

Brain Educational Logic Puzzle Skill Sudoku
Sudoku Vault
Sudoku Vault

Game Walkthrough

Watch video tutorials and walkthroughs to master this game

Instant Play

No downloads required, play directly in your browser

Free to Play

100% free with no hidden costs or subscriptions

Mobile Friendly

Play on any device - desktop, tablet, or mobile

High Quality

Enjoy smooth gameplay and great graphics

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
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