If you're looking to Download Number Place Puzzle DX on your Chromebook laptop Then read the following guideline.
A game to play with numbers that are booming all over the world! No math skills required. -rule- Put a number from 1 to 9 in an empty cell. Do not put the same number in each of the vertical and horizontal columns. Do not put the same number in a 3x3 block surrounded by a thick line.