yes, if both the players are on the same team.
in fifa soccer 08 for the ps3 you can only have 1 player playing online on 1 ps3 sorry but its the truth
No not with a new game
Yes you can play Multiplayer Online See related Wikipedia Link
There is no two player online for mw2 on ps3 or xbox 360
No, it is impossible to play with someone who has a different console to what you do, you also can't play xbox 360 - xbox one and ps3 - ps4.
You need to buy a FIFA 12 CD for PS3 and then play it.That's simple.You cannot have a fake game for that.
You can not play 2 player split screen online for World at War.
Not if you don't care that it will be much less of a system. Even the PS3 was designed to play online. Most but not all PS3 games are singler player when not online.
You cannot play 2 player online. You can only play 1-4 players offline.
Yes depends on the game
If by online games you mean online multi-player than yes
All games players that play PS3 online play on the internet through PS3 and PlayStation Network. The PS3 can also access the web and you are very limited with what you can browse compared to a PC.