This space-invaders gadget doesn’t have any actual function. But it makes a pretty nice decoration on the desktop.

This gadget is a simple brick wall game. A little too big and too fast but very funny.

 
You are bored?  Made pop some bubbles with this gadget! You can change the color of the bubble wrap to fit your desktop.

Get three X's in a row (horizontal, vertical, or diagonal) before the computer gets three O's in a row, it isn’t easy.

 
This gadget is a  clone of Atari's Asteroids game.