Rome Total War
This upgrade implements multiplayer compatibility with the Barbarian Invasion add-on, a series of balance tweaks, a variety of bug fixes and other improvements.
The v1.2 patch includes improved performance, single player improvements and multiplayer connectivity updates. The 1.2 patch will be required to play games online.
The v1.1 patch addresses many issues with multiplayer dealing with game stability, performance and some synch issues. You must download the patch to play online.