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