The Official= (yes/no) setting in a map file affects multiplayer spawning

[Iran]

Not sure what it affects but it looks like it might to be that official sets up something for four players, and unofficial for 8 players.

[Jacko]

really?

 

That seems rather odd.

 

Does setting Official=yes/no affect missions because from what I have seen it doesn't

[Iran]

It also affects whether a mission shows up in the mission lists too, IIRC.