Is a logic puzzle with simple rules and challenging solutions. Left click an island and drag toward another island. Release the mouse when both islands are highlighted. What am I supposed to do? .

Is a logic puzzle with simple rules and challenging solutions. You have to find the location of all dominoes on the grid. A domino is a pair of numbers. You can have only one of each pair. Left click between two numbers to connect them in a domino. Right click to place a border which will help you separate numbers that you think cannot be connected. What am I supposed to do? .

Is a logic puzzle with a bit complicated rules and challenging solutions. Left click on a square to make it black. Right click to mark with dot. Click and drag to mark more than one square. What am I supposed to do? .

Is a logic puzzle with simple rules and challenging solutions. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle. Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key. What am I supposed to do? .