No, you can only play against people that are on other PC's. It's like how PS2 players can only play against other PS2 players ect.
PS3 can only play online on the PlayStation Network and Xbox only on Xbox live so they are on different networks and can not play each other
No
Yes, Halo Wars is a Xbox Live game, therefore you can play online against other players.
No. PS3 and Xbox has different servers.
No, players playing online on a computer version of a game cannot play with players online on the Xbox 360 version of the game.
No, PS3 players cannot play with Xbox 360 players online.
No
yes ive dun it a million times
Xbox players are unable to play online with PlayStation players because they online play is run through two different domains.
They can not. I do not know the reason for this but I know that online games are not mixed with the PS3 console.
If you are playing online there are 16. Xbox 360 live =16 PS3 online =16
no it is a different network