The darkside got a sexy makeover as players got the chance to help Starkiller--Darth Vader's secret apprentice--hunt down and kill Jedi. Star Wars Force Unleashed became a hit because of its low learning curve and hardcore action. As you leveled up, you gained stronger powers in the arts of the darkside. Unfortunately, Unleashed II didn't get the same reaction and got slammed for way being too short.
Star Wars: The Force Unleashed