While I'm at it, Balls is an entertaining game which, whist it's calling out for some punnage or some crude innuendo, will not receive any such accolade from these parts.
The idea: shrink the hollow ball with your little grey ball until it disappears. Avoid the black ball. Easy! For a while perhaps...
Now this is a good game (he said, like he'd been blogging for the last couple of months :-S)!
Desktop tower defense demands that you build a fortress to kill off all the bugs that move from one side to the other. You can upgrade your guns and spend money on bigger and better artillery. It's hard to describe but very addictive!
SpeedType requires you to type words before they get to the bottom of the screen. I know that there have been quite a few typing games on here recently, but this is a nice twist - a little like NexGame2. Anyway, I got to level 5 after 2 goes... There are several other games on this site, but I didn't find them quite so entertaining.