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About the Game

LINE Sudoku Master is the second entry in LINE's POINTS GAME series, turning the timeless number puzzle into a rewarding experience with friendly characters, daily challenges, and real incentives for regular play. Developed by LINE (LY Corporation), the game pairs a clean, approachable Sudoku format with a lineup of familiar LINE FRIENDS faces, including Xiong Da, Tutu, and Sally, who keep you company as you work through increasingly satisfying puzzles.
At its core, the gameplay follows the rules that Sudoku fans already know well. Every puzzle presents a 9x9 grid divided into nine 3x3 blocks. Your goal is to place numbers 1 through 9 in every row, every column, and every block without repeating any digit. The touch controls are simple and responsive, making it easy to jump straight into solving without any learning curve.
What sets LINE Sudoku Master apart from a bare-bones Sudoku app is the range of tools and systems built around that core puzzle:
Note Mode: When a cell could hold more than one possible number, you can activate note mode to mark your candidates directly on the grid. As you eliminate options elsewhere, the right answer tends to surface naturally, making this tool essential for trickier stages.
Hint System: Stuck on a particularly stubborn grid? The hint function steps in and fills one correct number for you, giving you just enough of a push to keep the momentum going without spoiling the satisfaction of solving.
Daily Sudoku: A fresh set of daily puzzles rewards you with more coins than standard stages. Completing every single daily puzzle across an entire month earns you a special trophy and a batch of all-clear bonus coins, making consistent play genuinely worthwhile.
Events: The game regularly hosts time-limited events that attach extra coin bonuses to specific levels. These events give long-term players new goals to chase and short bursts of added excitement beyond the regular puzzle rotation.
Scratch Tickets: A daily scratch-off mechanic gives you the chance to win larger coin amounts with a single tap. It takes only a moment and adds a small element of anticipation to your daily routine.
Coins are the central currency tying everything together. You earn them by completing levels, finishing daily puzzles, participating in events, and scratching tickets. Those coins can then be spent on hints and other helpful items to assist with difficult grids, or exchanged for LINE POINTS, turning your puzzle progress into something tangible and useful outside the game.
The game appeals to a wide range of players. If you enjoy quiet, focused puzzle sessions during a commute or a break, the straightforward level structure fits naturally into short windows of time. If you prefer setting longer goals, the monthly Daily Sudoku challenge and ongoing event calendar give you plenty to work toward. The presence of LINE FRIENDS characters gives the whole experience a warm, lighthearted personality without distracting from the puzzles themselves.
Running LINE Sudoku Master on PC through MuMuPlayer adds a layer of comfort that mobile alone cannot fully provide. The expanded screen real estate makes every grid easier to read and analyze, especially when you are managing multiple note candidates across a dense puzzle. Precise mouse clicks make cell selection faster and more accurate, and the stable desktop environment means you can keep the game open while multitasking, ensuring you never accidentally miss a daily reward or an event deadline. Whether you are a casual solver or someone chasing that all-month completion trophy, MuMuPlayer gives you a more controlled and enjoyable way to play.