Sudoku Vault

Puzzle Games • ★ 4.6 (1,382) • 8,425 Plays

How to Play & Controls

WASD / ↑↓←→ Move & Steer

Space / Click Action / Jump

Touchscreen Mobile Controls

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 — incorrect numbers are removed, and correct ones are locked.

Game Features & Specifications

Genre

Puzzle Games

Technology

HTML5

Platform

Mobile, Tablet & PC

Game Mode

Single Player

Download

No Download Required (Instant)

About 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 you're 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.

PLAYER RATING

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Frequently Asked Questions

Yes, Sudoku Vault is completely free to play online directly in your browser with no installation, download, or subscription required.

In Sudoku Vault, your objective is: 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 — incorrect numbers are removed, and correct ones are locked. Standard controls include keyboard and mouse on desktop or touch controls on mobile.

Yes! Sudoku Vault is built with HTML5 and fully optimized for seamless touch gameplay across Android, iPhone, iPad, and desktop browsers.

Sudoku Vault is an online Puzzle Games title featuring Puzzle & Logic gameplay mechanics with instant instant-play capability on MNGame.