If you like to play puzzle type games, then you will love the online game called Sudoku. This online game is featured at Arcadeonline.com. The concept for this game is quite simple. It is set up on a grid with the numbers 1-9 on it. Every row and column on the grid must contain the numbers 1-9 and so does every 3x3 box on the grid.

An awesome feature of Sudoku is that it lets you use a hint button if you really do not know what number to insert into a square. All you do is select the square that you are having trouble with and then click on the "use hint" button and you are all set to move on. Only three hints are available for each game so use them wisely when you are stuck with no idea what to do. Sudoku is a Japanese game that has different levels for the beginner to this game all the way up to the most advanced player. On this game the level of difficulty is divided into numbered boards instead of labeled as easy and hard. There is a total of 75 levels. The easy levels are 1-25. The medium levels are 26-50 and the hardest levels are numbered 51-75.

The great thing about Sodoku is that there is no time limit in this game. There is a timer that can be used if you want to add some pressure to your playing or a friend who is playing against you. The controls on this game are mainly the arrow keys. They are used to select a specific square to put a number in. you can either type in the number you want or use the gold pop up grid that lists all 9 numbers. Just click on the number to put it into a square and continue on. If you type the number 0 it will clear that square. Now it is time to pick your grid of difficulty and start numbering. This game is just that simple. There are no explosions and no ways to die. It is your basic puzzle game that can get tricky if you let it. Concentration is the key.