If your PS3 is connected to the internet the Game updates are checked for as you are loading the disc.
No the models all play every PS3 game if they have current software updates, however if they are not running the latest software that is different. PS3 makes product improvement though software updates and so do they games. PS3s not connected to the internet will not get regular updates for the PS3 or the games that are played and that may affect both depending on the game.
Playstations that are connected to the internet get game updates when the game is placed in the PS3. If you mean Add ons and not updates even free add ons must be gotten from the PlayStation Store.
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Game stop
Yes all PS3 can play any PS3 games if the have current updates which includes the latest 3D games
It was a Xbox 360 game from September 2006 and not a PS3 game ever
Yes, but you will need to pay extra.
First you must install them and they must be games for the PS3 and not the PSP. Look under games on the menu bar of the PS3 and click on the game. You might also have to download updates before you can play the game after you install it.
Games that have updates must be updated before they can be played when you have an internet connection on your PS3 and put the game disc in the disc drive
Yes they were for the PS3 version. When I purchased the game my PS3 had to run updates before I could play it in January 2011 Then there are also the two map packs you can purchase
No updates are not reversible for the PS3