Definetly Big Fish Games!
you can buy game CD and so site are offer free games and downloading
PSP Homebrew is an excellent site for PSP games.
It depends on what site you are downloading from.
Yes/ Is A versy Good and secure site for downloading games but they are providing free games which is not legal so you should buy the games to support game makers and for checking the site rank you can go to alexa.
Pandanda.com is a site that you dont have to download anything. Kongregate.com is a much better site where you don't have to download anything.
downloading games can carry viruses
the pirate bay but you need to download utorrent or any other bittorrent
there are no pc games that require downloading
Lime wire
no
I'm sorry there deleted or you can go get someone who's a computer expert
www.download.com is good site for downloading programs but you may have to pay for it .the site will tell you if it is free