Chisla

Just how good is that math and problem solving skills of yours? Very good? Play Chisla and win it fast to prove that you are that good. The game is actually quite simple, a number puzzle; however, the solution will be far from simple. there are a total of 81 small squares, arranged to form one large square. The small squares are also grouped together into 9 medium squares. The object of this puzzle game is to put the numbers 1 through 9 in such a way that no number is ever used more than once: - in any horizontal line of 9 squares - in any vertical line of 9 squares - in any medium squares To put a number in a square, you simply click on that square and you will first get the number 1. Cycle through the numbers by clicking on the same square, stopping when the number that you want is displayed. If later you believe that you have put the wrong number, click on the square with the wrong number and it will change again. There are 3 levels of difficulty in this game: easy, normal and hard. The higher the difficulty, the less starting numbers you will get and therefore the more difficult to fill up the squares. The beginning numbers all have green colors and cannot be changed while the numbers that you put will all have black colors