Sure!
No only the Playstation Network is free you mist pay for the internet
Yes you can play PSN (playstation network) for free.
Some are available from the Playstation Store
No the PlayStation 3 comes with Free PlayStation Network. Live is for the Xbox 360 and is not free.
playstation 3 is best because if you want to get online it is free
No, PlayStation Network is totally free.
Yes, Killzone 3, like all PlayStation 3 games, has free online gaming. It operates on PlayStation Network, which is free for all PlayStation users. The only PlayStation 3 games that do not provide free online services are MMOs (massively-multiplayer online role-playing games).
No
All Playstation 3 games can be played on the Playstation Network (PSN) for free. You need to buy the game and also have a PS3 with an online connection
No the PlayStation Network PSN is free you must pay for your internet service provider and there will be no additional charges from PlayStation
Nope its absoloutely free but you have to have wi-fi.
The easiest legal way is to join Playstation Plus and they have free games every month. They are not quite free the downloads are only good as long as you are a Playstation Plus Member. There are also free demos from the Playstation Network.