Call of Duty: Black Ops II Free DLC Trial Adnan Riaz September 21, 2013 News, Xbox 360 Treyarch is offering its fans a trial run for the Uprising DLC. The Call of Duty: Black Ops II DLC is free to download and play from Friday 20 September - Wednesday 25 September. Treyarch has always had a good reputation in supporting the Call of Duty community. The map pack contains 4 multiplayer maps: Vertigo, Encore, Magma, Studio and the zombie map ‘Mob of the Dead’. The link below takes you to the Uprising DLC trailer. Source: Xbox Facebook Are you going to download the DLC? What are your thoughts on the free trial download? Let us know in the comment section below.