Some questions newbie scripter

[FG28_Kodiak]

You can check (bool)
GamePlay.gpIsServerDedicated();
GamePlay.gpIsServerSingle();

but by a SingleplayerGame GamePlay.gpIsServerSingle() is also true.

So you should check if
GamePlay.gpRemotePlayers()
contains Players, if so its a MultiplayerGame if not its a SinglePlayer.