Dead Silence is a Tier Three perk featured in Call of Duty 4: Modern Warfare, Call of Duty: World at War, Call of Duty: Modern Warfare 3, Call of Duty: Black Ops II, Call of Duty: Black Ops: Declassified, Call of Duty: Strike Team, Call of Duty: Black Ops III, Call of Duty: Infinite Warfare , Call of Duty Online and Call of Duty: Modern Warfare Remastered, and a stealth perk in Call of Duty: Ghosts.