How to unlock Dark Matter camo in Black Ops 3 Multiplayer

UPDATE: We have a guide here to help you get Diamond and Dark Matter Camo faster in Black Ops 3.

A great Youtuber we follow on Twitter @LongSensation has become the first guy in the world to unlock Dark Matter camo legitimately. Dark Matter is unlocked by getting all Diamond camos for every weapon type in the game.

It is also a part of the Dark Ops challenges which stay classified until a player unlocks them.

Dark Ops challenge