Sudokuness

Sudoku, every puzzle is a new puzzle. Never do the same puzzle twice.

'Sudokuness' is a logic-based object-placement puzzle. The objective is to fill a 9×9 grid with objects so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid contains each of nine different objects only once. It has 3 levels of difficulty. In 'Sudokuness' the objects can be numbers, letters, characters, emojis or colors.