Welcome to the marvelous world of Sum Trixs. This game will test your ability to add under certain circumstances and on a level based difficulty system. In this game, there are some rules like the sum of the chosen numbers have to be equal to the number given both vertically and horizontally, there should be no negative numbers and also no duplicate numbers. FYI if you want to choose a new number then you have to go to the menu on the top right and click on the new number button. Also, if you want to time yourself, there is a timer at the bottom of the screen. Have Fun!!!