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.