This is a classic Sudoku game, train your brain and grow in entertainment. Make good use of the auxiliary functions in the game to let you find the answers you need faster and complete new challenges. Four levels of game difficulty, through continuous practice, grow into a Sudoku master. The dark theme is suitable for any scene, making you feel comfortable and natural no matter day or night. Challenge new difficulty, get more points, share with friends, you are really outstanding! What are you w