How do I play an online multiplayer game of Empire: Total War using Game Center?
You must be signed into Game Center before you start playing (for details on how to do this, please use the Getting Started section in the ReadMe).
From the Main Menu, select Multiplayer.
From the drop-down menu that appears, click Total War Online.
You will be taken to the Total War Online screen. Select either Quick Land Battle or Quick Sea Battle.
You will be taken into a battle.