NFL Puzzle is on e of the games that will show and improve your calmness and concentration, in same time improving your intelligence! This puzzle contains NFL heroes as a theme for the pictures that you will have to complete by dragging pieces into the right position. Normal or Hard levels are offered to select from before you start. To play, use the mouse, and by pressing Ctrl Left Click, you will be able to move multiple pieces. So, relax, concentrate and complete the images of these NFL heroes!