Multiple people playing on 1 connection?

[Alneyan]

More specifically, you can play multiple natiions on the same computer with the same CD-Key, but you cannot play multiple nations with the same CD-Key on two different computers.

If only one of you is playing in the same game, it will work just fine; if you are both playing in the same game, the second of your nations will trigger the detection, and will destroy your order file (if you are Pangaea and Machaka, Machaka will be the one losing all orders).