_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.