While Treyarch will still make this year's Call of Duty game, newly created Sledgehammer Games will make next year's title.
With the recent departure of Infinity Ward founders, Vince Zampella and Jason West, Activision announced that the Call of Duty title planned for release in 2011, will be developed by Activision's newly formed Sledgehammer Games studio. Activision also announced that 2010's Call of Duty title will still be developed by Treyarch.