About Wordoku GameWordoku is a variation on Sudoku which uses letters instead of numbers. First choose to play a beginner, intermediate, or advanced game. Easier games have more givens. Tap into a cell and then enter the letter you think goes there. If you are unsure you can tap on the button one in from the right in the bottom row to enter notes including posibilities. Each row, each column, and each of the 9 3x3 groupings of cells can only contain each letter once. When you select a cell it turns the row, column, and section it is in orange. If you select a tile with a letter in it that will highlight all occurances of that letter in the puzzle using blue. Select the red X to delete any mistakes. Finish the puzzles as fast as you can and challenge yourself to play harder puzzles. 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.