Revolution is a downloadable content pack (DLC) for the 2012 game Call of Duty: Black Ops II. It includes four new multiplayer and one new zombie map:- Hydro (takes place on the Indus River in Pakistan)- Downhill (takes place in the Alps in France)- Grind (takes place in a skate park in Venice Beach)- Mirage (takes place in the middle of the Gobi Desert)- Die Rise (the zombie map taking place in two broken down skyscrapers)It also contains a new weapon the Peacekeeper and the new game mode Turned in which players can become an zombie in the zombies mode.