No, its only the first player that can change the stats online. The second player does not affect it.
usdrfy
Killzone 2 is one player (offline) and 2-32 player (online).
Yes you can in fact if you go online you can buy it second hand anywhere for very cheap. I personally bought one second hand and it was easy. I think the persons name was arthur wilkinson and he has his own online store
You can change your clothes for online, by talking to some guy on the second floor of one of the first pokecenters
What would happen is that your controller would not be in use but if you have a second controller, then it will change the to first player instead of second player.
grab the ball so you can try to make it in the other persons goal
no,you can only play it in system link or online
It does, just reconnect a second controller and press the 'x' button.
it killed 3 persons.
opportunity cost
Yes it is, the second player can play as any of the characters you brought into the mission!
There has been no second season shot so that is probably a no unless there is overwhelming demand for it.