As they fight through the hordes of Urzikstan in Modern Warfare 3: Zombies, players will have access to a massive arsenal of weapons to use when deployed. For the completionists out there hoping to unlock every single camo available, they will have to work through challenges with over 100 weapons, destroying zombies and mercenaries to progress toward the Borealis or Bioluminescent mastery challenges. If players can complete every base challenge, completionist challenge, and all four mastery challenges, players will unlock the completionist charm for their favorite weapons - here's a full breakdown of every zombie weapon camo in Modern Warfare 3 Zombies.