Get ready for an intellectual test. Online game Classic Sudoku is a classic numerical puzzle, the purpose of which is to fill the entire net in numbers. You have to use all your mental abilities to place numbers from one to nine so that none of them is repeated within the limits of any horizontal or a single vertical line, as well as within each small block 3x3. This is an ideal game for daily training of the mind, improve the concentration and development of pure logic. Each successfully solved puzzle develops your intellect! Prove your skill in solving the most difficult tasks in Classic Sudoku.
