Kill 1 000 Zombies

Fully Upgrade All Stats Of Any Weapon In Campaign Mode

Collect All The Loot In Any Mission

Complete Mission 1 (Any Difficulty Level)

Fully Upgrade A Single Stat Of Any Weapon In Campaign Mode

Eliminate an Attacker caught in Barbed Wire in Quick Match/Ranked Multiplayer.

MEOW!

Obtained 66 armor or weapons

Completed all 62 side quests

Cleared 25 dungeons

Reached level 50

Obtained 30 armor or weapons

Obtained 4 skills