The mission defines the victory conditions and the initial setup of the game. Pay close attention to the briefing screen since it gives valuable information on how to win the game.
Choose a name for your game.
This is the speed of the game. It shows the amount of time between each 'turn'. For example, at 60 sec/turn, your fleet will gain flight time each 60 seconds... If you play to play the game only once per day, join game with a speed of 30 min/turn or slower. Turns accumulates when you're not already in the game to play them.
The minimum number of players required speficy when the to start the clock for that particular game. Players can still join the game after it has started until the maximum number of players is reached.