Does anyone know any good sim type games that you can play on the interenet and that are free?

I really want to know some good sim type games that are free and can be played on the internet. Does anyone know any good sites? Thanks xDoes anyone know any good sim type games that you can play on the interenet and that are free?
I know of kongregate.com, it has all types of games over there but you would have to register (it's free).

zits