Earn Dark Matter by earning Diamond Camo on all weapons in the game.
Complete 100% of all multiplayer challenges.
Destroy an HC-XD with a Combat Axe.
Kill an enemy underwater when you are both close to drowning.
Earn &&1 Relentless medals (20 kills without dying).
Earn a Brutal medal (25 kills without dying).
Earn a Nuclear medal (30 kills without dying).
Earn a Nuclear medal in FFA without using scorestreak rewards.
Finish the Job
Kill an enemy that survived damage from 5 teammates in the same life.
Kill an entire enemy team of 6 or more players in a very short time with a Specialist weapon.
Earn a Frenzy Kill medal (5 rapid kills).
Earn a Super Kill medal (6 rapid kills).
Earn a Mega Kill medal (7 rapid kills).
Earn a Ultra Kill medal (8 rapid kills).
Earn a Kill Chain medal (9 or more rapid kills).
Call of Duty: Black Ops III Dark Ops Challenges in Zombies
Reach Deressurectionist (level 35).
In Shadows of Evil, help the others.