Another game I am working on for the 4K.

http://marber8.freehostia.com/defend.jnlp

Pretty simple so far.  Use the mouse to rotate your shield around the planet to protect it from incoming asteroids.  Each hit that the shield takes reduces its size a little bit.  If an asteroid makes it to the planet the shield reduces by a larger amount.  Your shield will never go below a certain minimum size.  It also regenerates continually, so it will eventually get back up to size if it has a long enough rest.  I will also go back to maximum size between levels.

I am thinking of adding a laser type canon and a bonus level that occurs every 5 levels to add a bit of variety.  I have about 1500 bytes left, so I should be able to fit that in.

All comments are welcome.

Thanks.

There must be a bug, because there is no pause key.