The final chapter video for Sega and developer Creative Assembly's heavy-duty RTS, Empire: Total War details the finer aspects of multiplayer. Working in conjunction with Valve's Steam service you can expect robust support for online multiplayer play. Also, be sure to look out for those pesky, colonial-American-era... rocket barrages?
Hrm... while I go grab my history book check out the video below and watch for the game's release this March for the PC.
Empire: Total War Multiplayer Trailer