Morbid and Undead difficulties...
	Trophies...

Beat the game on the Grim difficulty.

Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
A Trip Downtown (Bronze)	Complete Mission 2 (Any Difficulty Level).
Aim For The Head (Silver)	Perform 500 Headshots.
And So It Begins... (Bronze)	Complete Mission 1 (Any Difficulty Level).
Blown To Bits (Bronze)	Blow Up 1 000 Zombies.
Car Killer (Bronze)	Destroy 500 Vehicles.
Contributor (Bronze)	Help Your Country To Clear The Virus Infection.
Double the Action (Gold)	Complete Campaign Mode in Co-Op Mode.
Easy Does It (Bronze)	Complete Campaign Mode on 'Braindead'.
Genocidiary (Gold)	Kill 53 596 Zombies.
Gravedigger (Bronze)	Complete Mission 7 (Any Difficulty Level).
Hospital Bill Through the Roof (Bronze)	Complete Mission 6 (Any Difficulty Level).
King Of Looters (Gold)	Collect All The Loot In Every Mission.
Looter (Silver)	Collect All The Loot In Any Mission.
Mediocrity (Silver)	Complete Campaign Mode On 'Normal'.
Morbid Curiosity (Gold)	Complete Campaign Mode On 'Morbid'.
On top of the World (Bronze)	Complete Mission 4 (Any Difficulty Level).
Out of the City (Bronze)	Complete Mission 5 (Any Difficulty Level).
Pyromaniac (Bronze)	Burn 1 000 Zombies.
Romero Would Be Proud (Platinum)	Collect All Trophies.
Skilled (Silver)	Complete A Mission Without Receiving Any Damage.
Sleeping with the Fishes (Bronze)	Complete Mission 9 (Any Difficulty Level).
Suit Up (Bronze)	Collect An Armor Piece.
Survivor (Bronze)	Complete A Mission Without Dying.
Teamwork (Bronze)	Complete A Mission in Co-Op Mode (Any Difficulty Level).
Took the Highway (Bronze)	Complete Mission 10 (Any Difficulty Level).
Top Gear (Gold)	Collect All Armor Pieces.
Tough Enough (Silver)	Complete Campaign Mode On 'Grim'.
Train to Nowhere (Bronze)	Complete Mission 8 (Any Difficulty Level).
Up Close & Personal (Bronze)	Perform 500 Melee Kills.
Upgrader (Bronze)	Fully Upgrade A Single Slot Of Any Weapon In Campaign Mode.
Very Dead (Silver)	Complete A Mission On 'Undead'.
Walk in the Park (Bronze)	Complete Mission 3 (Any Difficulty Level).
Weapons Specialist (Silver)	Fully Upgrade All Slots Of Any Weapon In Campaign Mode.
Zombie Hunter (Silver)	Kill 10 000 Zombies.
Zombie Killer (Bronze)	Kill 1 000 Zombies.