Use the keyboard A, W, D, S or arrow keys Left, Up, Right, Down, and mouse button - if the game description "Falling Sudoku" is not stated otherwise.
Description: Move all falling numbers according to the Sudoku rules. No numbers of 1 to 9 may be used than once in a row, column or 3X3 square. Wild tiles may be used for any number and the golden tiles increase your score. Use the arrows or arrow keys to move the tiles, the space bar drops down the numbers. Enjoy the puzzle game Falling Sudoku.