In this guide it will help you on how you can unlock or enable the Disco Easter Egg in Black Ops 3 Zombies Der Eisendrache. To do this you will need a ray gun and with it in your arsanal you will head to the room where the moon. Inside this room if you look up you will see two balls that are rotating. One ball is bigger than the other, you will then shoot the small ball with your Ray Gun and you will enable the disco easter egg in which you have the entire room lid up with lights just like a disco would be. This will last for about one minute and only works with the ray gun.
TOC: Zombies Der Eisendrache Walkthrough | Der Eisendrache Achievement & Trophies | Der Eisendrache Pack A Punch Guide | How to unlock Bow | Wolf Bow Upgrade | Upgrade to Electrical Bow Guide | Unlock Ragnarok DG-4 Gravity Spikes | Rocket Shield Tutorial | Disco Easter Egg | Dead Again Easter Egg Song | How to kill Panzer | Teddy Bears Locations | Chaos Skullcrusher Bow | Fire Bow Steps | Radio Locations | Cypher Secret Codes Locations | Get Plunger | Dr. Grophs Cut-scene | How to Open Dr. Groph’s Safe | Rocket Launch and Tomb Steps | Zombies to Skeleton