▼Number Place is: Known as Sudoku as well. Complete this grid by placing all the digit from 1 to 9 in each row and column. Also, you are allowed to use each digit only once in every 3x3 shaded or white mini-grid in the puzzle. ▼Puzzle features: Number Place for FREE! You can enjoy Number Place for free, so please make brain trainings as much as you like! 5 difficulty levels!