Brain

Click to create balls of burning gas (or maybe brain cells).
Roll over them to make them sound off.
How long you hold down the mouse button determines how big the cell is.
The direction your mouse travels in the time between clicking down and letting up determines the color.
There are 6 colors, and six sounds per color.
You may have to turn your volume up to hear the smaller cells.

It starts in idle mode with a full tank of idleness, so it'll make itself until you click. Then you have to wait a while for your idleness to be detected.
Press "i" to engage/disengage the idle mode.
Press "a" to instantly start idleness behaviors if idle mode is engaged.
If you have a touchscreen, press "t" to go to touchscreen mode.
Press "m" to mute.

This is the only piece I've made all semester for my graduate art program.

EDIT: I added a simple preloader as well as a replacement cursor. Also, sound volume is handled differently.

Press Y to enable/disable cursor.