Backwards Mouse will make anyone think that their mouse has gone haywire! Every mouse move will be reversed. If they move the mouse up, it will move down. If they move the mouse left, it will move right. It won't take long for them to figure out that you got'em, but it is well worth the effort.
Backwards Mouse will liven up any boring office with a simple move of the mouse.
Click on an image for more detail
How to close
Press any key on the keyboard and the splash screen will display to let you know it was a joke.
Backwards Mouse will run on these Windows editions: