Complete a Round with a Kills-per-minute rate of 100 or more
Survive to Round 10
Find all the Egogate emblems
Get the Apocalypse Combo Kill Bonus (150 Kills)
Survive to Round 5
Complete a Round in Co-Op Without Either Player Taking Damage
Collect All Trophies
Complete A Mission On 'Undead'
Complete Campaign Mode On 'Morbid'
Kill 53 596 Zombies
Collect All The Loot In Every Mission
Collect All Armor Pieces
Burn 1 000 Zombies
Complete A Mission Without Receiving Any Damage
Complete Campaign Mode In Co-Op Mode
Complete Campaign Mode On 'Braindead'
Complete Campaign Mode On 'Normal'
Complete Campaign Mode On 'Grim'
Complete Mission 10 (Any Difficulty Level)
Complete Mission 9 (Any Difficulty Level)
Complete Mission 8 (Any Difficulty Level)
Destroy 500 Vehicles
Collect All The Loot In Any Mission
Kill 10 000 Zombies
Fully Upgrade All Stats Of Any Weapon In Campaign Mode
Perform 500 Headshots
Complete Mission 7 (Any Difficulty Level)
Complete A Mission Without Dying
Blow Up 1 000 Zombies
Complete Mission 6 (Any Difficulty Level)
Complete Mission 5 (Any Difficulty Level)
Perform 500 Melee Kills
Complete Mission 4 (Any Difficulty Level)
Complete Mission 3 (Any Difficulty Level)
Kill 1 000 Zombies
Complete Mission 2 (Any Difficulty Level)
Help Your Country To Clear The Virus Infection
Complete A Mission In Co-Op Mode (Any Difficulty Level)
Complete Mission 1 (Any Difficulty Level)
Fully Upgrade A Single Stat Of Any Weapon In Campaign Mode
Collect An Armor Piece