Here is my entry for this year's contest:http://www.java4k.com/index.php?action=games&method=view&gid=402
It started out being a Defender/Asteroids mashup, and ended up being... well, what you see here!
This is the first game I've actually managed to finish
for about 20 years!
I really enjoyed coding this one, the 4K limit forces you to Just Write The Damned GameTM
, rather than getting bogged down in unimportant details.
Oh, I've included the source code, so people can laugh at my ineptitude