Sudoku King is a classic puzzle game, which is based on the principle of "one-digit per cell". It's a challenging mental exercise for your brain and logic, which will help you improve your problem-solving speed and intelligence.

The objective of the game is to place the numbers from 1 to 9 in the grid cells, such that no number appears in the same row, column, or box more than once.

The Sudoku puzzle game is different from other classic puzzle games. It has more than three different levels of difficulty, which makes it a great brain exercise for beginners as well as for experts.