About Sudoku
Sudoku Deluxe is for all players : from beginners to advanced players. If you like easy sudoku where you can have fun, enjoy, relax and pass your free time in a pleasant way you will love this game. If you like to raise big sudoku challenges and make your brain work hard, this classic sudoku game is also perfect for you. It's time to get a gaming break and to relax with our free sudoku.
Key Game Features
- 100% Free to Play with unlimited sessions and zero credit card requirements.
- Universal cross-platform compatibility: PC, Mac, Chromebook, iPhone, and Android.
- Instant browser streaming with zero software installations or storage consumption.
- Automatic cloud-local progress saving via secure HTML5 LocalStorage.
- Verified malware-free, family-friendly, and COPPA compliant.
How to Play Sudoku
- Launch the Game: Click inside the player window above to focus keyboard and audio controls.
- Learn the Objective: Study level indicators, timers, score goals, and obstacles to navigate stages efficiently.
- Dodge Obstacles & Hazards: Maintain high focus against environmental traps, enemy units, or speed barriers.
- Set New High Scores: Gather collectible stars, power bonuses, and multipliers to achieve leaderboard supremacy!
Official Controls & Keybinds
| Input Device | Key / Gesture | In-Game Action |
|---|---|---|
| Mouse | Left Click & Drag | Select, Swap Tiles & Connect Puzzle Nodes |
| Keyboard | Spacebar / H | Request Strategic Hint / Highlight Move |
| Keyboard | R / U | Restart Current Stage / Undo Last Move |
| Touchscreen | Direct Screen Tap & Swipe | Intuitive one-finger gesture manipulation |
Pro Strategies & Winning Tips
- Scan the bottom of the board first; clearing lower tiles creates cascade reactions across the top.
- Conserve rare power-ups and color clearers until moves are severely restricted.
- Work backwards from the level requirement (e.g. ice blocks, cookies) rather than making arbitrary matches.
- Take your time; most puzzle stages penalize wasted moves rather than elapsed seconds.
- Play in Fullscreen: Click the 'Fullscreen' button above to eliminate browser distractions and gain wider peripheral vision!
Frequently Asked Questions
Is Sudoku completely free to play on Loki?
Yes! Sudoku is 100% free with unlimited play sessions. No subscription, deposit, or registration is ever required.
Can I play Sudoku on mobile phones, tablets, or Chromebooks?
Absolutely. Sudoku is built with responsive HTML5 WebGL frameworks, automatically adapting to touchscreen gestures on iOS and Android as well as keyboard and mouse on desktop and Chromebooks.
How do I save my progress or high scores in Sudoku?
Your level progression, unlocked upgrades, and personal high scores are automatically preserved in your browser's secure HTML5 LocalStorage.
How do I report a glitch or suggest an improvement for Sudoku?
You can click the bug report icon right beside the game player or email our support desk at support@loki.mom.
