Matrix Games announces the release of Field of Glory Eternal Empire for Windows and OS X to expand the strategy game Field of Glory with new content. Word is: "With the release of Eternal Empire, the Field of Glory system now boasts an impressive 124 historical battles with 1,235 different battle groups! Launching at the same time as the Eternal Empire expansion is also the comprehensive 1.6.0 update for the Field of Glory system. The update includes fixes to the engine and D.A.G. as well as a few rule tweaks." The launch price of this is $19.99 USD, and after a week it will go up to $24.99.