Firefox 1.5
Firefox 2.x
Windows
Mac OS X
Linux
"This Firefox browser add-on is a game in which you start with a jumbled grid of numbers. Your goal is to arrange the numbers in the correct order, from left to right and top to bottom in the least amount of steps."
"Mozilla version of the C game. Arrange the numbers in correct order from left to right, top to bottom."
"For those of you who enjoy this type of game, the Number Madness add-on can be loads of fun. Although achieving the end result can prove to be quite difficult, everything else about the game from its layout to the gameplay controls couldn't be simpler. The add-on offers practically nothing in the way of customization so if you don't care for the giant grid boxes, the gray background, or the default window size then you are out of luck."
Read more...