Star Wars Galactic Battlegrounds for Mac

From Aspyr Media:

The destiny of a galaxy hangs in the balance and you're in command. Star Wars Galactic Battlegrounds lets you lead the armies of Star Wars to victory in intense, real-time strategy clashes. Enter the fray as Darth Vader and the Galactic Empire, the Rebel Alliance with a legion of Jedi, the greedy Trade Federation, the Royal Naboo and other civilizations in campaigns that will determine the final outcome of the Galactic Civil War. You are able to manage your resources and upgradeable technology into your strategy, such as Wookiee ingenuity, advanced Gungan biotechnology, and Jedi stamina. The action continues as you are able to command X-wing fighters, Tie fighters, Imperial Walkers, and other famed Star Wars vehicles. Star Wars Galactic Battlegrounds: Face your destiny!

The trial version of Galactic Battlegrounds lets you play the first campaign mission of the Galactic Empire and also has multiplayer enabled. You can play as either the Galactic Empire or the Rebel Alliance in multiplayer mode.