Katamari Damacy is quite the quirky and addictive game. There is something completely awesome about being able to roll up various objects from pins all the way up to skyscrapers, coupled with that catchy music.
If you click on over to this link, you can get all the instructions you need to start your very own Katamari ball. Best part? It even plays the music! That's right. So stop reading this, and go KATAMARI ALL THE THINGS!