數獨：數字謎題，邏輯益智遊戲

Sudoku is a Classic Number Logic Puzzle that trains your brain and sharpens your mind! 15000+ Sudoku puzzle games waiting for you! "This Classic Sudoku is designed for everyone, whether you are an expert or a beginner at Sudoku puzzles. The Sudoku game is so lightweight, you can play it anytime and anywhere. Key Features of Sudoku - Classic Sudoku Puzzle: Many Sudoku puzzle games: 15,000+ Sudoku puzzle games await you, with new ones added every week. Different difficulty levels: 6 difficulty levels offered in this Sudoku game, including 6x6, easy, medium, hard, expert, and 16x16. Jigsaw events: There are many jigsaw events. Play Sudoku to unlock the jigsaw pieces, and then get many beautiful pictures. Daily Challenge : Complete Daily Challenges to collect wonderful trophies. Different themes: There are different themes to protect your eyes, you can choose white, black, and yellow themes as you like. Notes: When you find a Sudoku game difficult, you can turn on Notes mode to take notes as using real paper and pencil. Smart Notes: When the difficulty level is Hard or Expert, you can use the Smart Notes feature to take notes automatically. Smart Notes will reduce the difficulty of Hard and Expert level Sudoku puzzle games when needed. Hint: Use the Hint feature to show you how to fill in the next cell for the Sudoku number. This feature also helps you learn quickly if you are not very good at Sudoku games. Undo: You can use Undo feature to undo the last step of the Sudoku game. Eraser: Use Eraser feature to erase any cell you filled. Hurry up, let's play this classic Sudoku puzzle game now! [Subscription] Subscriptions refer to auto-renewing subscriptions that can greatly enhance your gaming experience. An annual subscription costs $19.99, a monthly subscription costs $3.99 and a weekly subscription costs $1.99, or a price tier equal to the dollar subscription price as determined by the Apple App Store Matrix. Payment will be charged to iTunes Acco