- "Who’s the best at telling you what to do? Grandma! Everyone knows that Grandma Knows Best so listen up while she’s calling out killstreaks or letting you know about enemy activity in multiplayer. Hurry up and win that MP battle because she's got a pie waiting for you in the oven."
- — Official Description
The Grandma Knows Best Voice Pack is the fifth and final downloadable Multiplayer Voice Pack available for Call of Duty: Infinite Warfare. It costs $3.99/£3.19.