It's time to send in the clones, as LucasArts Escalates the Conflict With All-New Star Wars Galactic Battlegrounds Clone Campaigns Expansion is the announcement of plans for an add-on for the Galactic Battlegrounds RTS game set in the Star Wars universe. The add-on for the Age of Kings engine game will be based on the upcoming Star Wars: Episode II: Attack of the Clones. Word is: "Expected to release in May on the PC, Clone Campaigns is inspired by the large-scale battles in Star Wars: Episode II Attack of the Clones, as well as the classic and expanded Star Wars universe."