The Limited Edition release of Assassin's Creed: Unity includes the base game and a code to download the Chemical Revolution mission, which isn't available as standalone DLC. Paris, 1789. The French Revolution turns a once-magnificent city into a place of terror and chaos. Its cobblestone streets run red with the blood of commoners who dared to rise up against the oppressive aristocracy. As the nation tears itself apart, a young man named Arno will embark on an extraordinary journey to expose the true powers behind the Revolution. His pursuit will throw him into the middle of a ruthless struggle for the fate of a nation, and transform him into a true Master Assassin. Introducing Assassin’s Creed Unity, the next-gen evolution of the blockbuster franchise powered by an all-new game engine. From the storming of the Bastille to the execution of King Louis XVI, experience the French Revolution as never before, and help the people of France carve an entirely new destiny.