About Sudoku GameSudoku is a no frills untimed easy game of Sudoku. Drag the small number note blocks from below into the grid, or the larger numbers to fill in the solutions. The givens are white on a wood background and the numbers you enter into the puzzle are in gray. If you make a mistake or want to remove a note you can tap on the cell it is in to remove it. Once you have correctly filled in all the numbers select the green and white arrow in the lower right to submit your answers to finish the puzzle. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.