A playlist entirely devoted to Grifball will be added to the mixture of game types in Halo 4's multiplayer. 343 Industries recently announced that “several different Grifball experiences” will be added in to the playlists.“We have worked closely with the Grifball Hub to create several different Grifball experiences in this new matchmaking playlist” The Engineer and Stalker Specializations will also be made available in this update, their descriptions are below.New Specializations:Engineer - "Spartan optimization for the subversion, repair and reconstitution of a wide range of technology, including Covenant and Forerunner complex networks. The Drop Recon Armor Mod allows users to predict the location and time of an Ordnance Drop through an external suborbital monitoring system."Stalker - "Spartan optimization for target shadowing missions which require tactical invisibility despite operating at an extremely close range to the target itself. The Nemesis armor mod allows users to target and track down previous attacking enemies, highlighting them on the armor’s passive sensors."