From finding the Wonder Weapon blueprints, obtaining Kuhlklay’s eye and locker key, to solving the dartboard puzzle, IGN has you covered in our complete guide to obtaining the R.A.I. K-84 Wonder Weapon in Call of Duty’s Firebase Z Zombies Easter Egg.
Source: IGN.com Call of Duty Zombies: How to Get the R.A.I. K-84 Wonder Weapon for Free