Locating a Harvester Orb in Modern Warfare 3's new zombies mode is one of the many missions you'll find yourself having to complete if you want to progress the story. These hovering orbs may seem slightly unnerving when you first encounter one, but don't be afraid, they're really just big loot pinatas—shoot them with your gun and see what they've got.
Since the Reaper mission—that requires you to find a Harvester Orb—isn't until Act Two, you've got quite a lot to do first, such as acquiring Cyphered Tablets and the Essence of Aether samples. Still, if you're already up to this mission, here's how to find Harvester Orbs in Call of Duty: Modern Warfare 3.
