No they do not they are implented codes by developers to test their product.
No there are not.
no
Yes, you can, depending on the game. Websites such as www.gamewinners.com and www.cheatcc.com can provide cheats on many different consoles such as the PS3.
None
you can buy a PS jailbreak or ps3 break, just Google ps3 break `
www.ps3cheats.com
Yes
no
There is no cheats menu available on the PS3 version of CoD MW2.
just rape the control and the cheats will be unlocked
go on gamespot.com
yes