The game's storyline explores the early days of the Galactic Empire and the hunt for Jedi survivors. Starkiller, the protagonist, is a secret apprentice to Darth Vader, who seeks to become a powerful Sith Lord. Throughout the game, Starkiller encounters various characters, including:

The game's narrative explores the complexities of Marek's character, torn between his loyalty to Vader and his growing sense of morality. This dichotomy is reflected in the relationships he forms with other characters, including his love interest, Juno, and his mentor, Darth Vader. The character development in The Force Unleashed provides a nuanced understanding of the Star Wars universe, delving into the gray areas between good and evil.

Includes extra levels originally developed for the Wii that were not in the PS3/360 versions. Performance & Graphics Review - Star Wars: The Force Unleashed (Switch)