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Sudoku Challenges will take players to a sparkling universe with beautiful tiny points of light. Don't be fooled by the pleasant setting, because this is an extremely challenging puzzle game. You even have to spend hours to complete a round. However, there is no need to worry too much because this interesting game has levels ranging from easy to difficult for you to choose from. Among them, only the simplest level does not require unlocking conditions. More difficult levels will require you to complete a certain number of rounds. Therefore, be persistent, open every round and make your experience endless.
On the Sudoku Challenges homepage, you can see sections of achievements, daily missions, and statistics of your plays. The leaderboard is where the highest scores around the world are recorded. Try to put your name in this prestigious top 10! Besides, completing daily levels within the default time also helps you practice concentration and expand challenges for more effective main rounds.
When you click on any cell, the related ranges will display a different colored light. From there, you can easily see which numbers cannot be the answer. After eliminating it, you can fill in the number by clicking on the number line on the screen or using the keyboard. In case you are not completely sure about that judgment, you can choose the note feature.