시간때우기 스도쿠 is a free Android game developed by Goldenboard. It falls under the category of board games and offers a challenging experience for Sudoku enthusiasts. With a total of 6 levels and 6000 Sudoku puzzlespuzzles per level), this game is perfect for those who love to test their logic and problem-solving skills.

The game provides a filtering feature in the Sudoku list, allowing players to easily find specific puzzles based on their preferences. Additionally, there is a hint function available for those who need a little assistance in solving the puzzles. Players can also set a checkpoint and restore their progress, ensuring they can easily pick up where they left off.

시간때우기 스도쿠 offers three different input modes to cater to different player preferences. The first mode is the "Button First" mode, where players select the number button they want to input before choosing the Sudoku cell. The second mode is the "Sudoku First" mode, where players select the Sudoku cell first and then click the number button to input the number. The third mode is the "Popup" mode, where a keyboard pops up when players select the Sudoku cell for input.

It's worth noting that 시간때우기 스도쿠 does not require any personal information or access permissions, ensuring a safe and private gaming experience.