#CoD MW4

Call of Duty: Modern Warfare 4 Beta Hides Easter Egg — Rack Up 1,500 Kills to Unlock Exclusive Litmus Camo

Players digging through the CoD MW4 open beta have uncovered a hidden camo called "Litmus." The catch: you need 1,500 combined multiplayer kills across both beta weekends — and once the beta ends, it'll be gone for good in the full release.