Clones -- identical creatures built from the same DNA.
"Star Wars: The Clone Wars" looks like it was formed from almost the same DNA as "Star Wars Rogue Leader: Rogue Squadron II," "Star Wars: Episode I: Battle for Naboo," and "Star Wars Starfighter."
Copying past games can be a good or bad idea, depending on how audiences responded to the earlier variations. As LucasArts has become proficient at developing Star Wars combat games, in this case it works.