Reach level 50

Have 10 zombies with masks on at once

Use every type of firearm on a zombie

Collect all combo cards from psychopaths

Collect 25 combo cards

Reach level 25

Save 10 survivors

Give Katey a gift

Create a combo weapon

Complete the story with four characters alive

The Rat - Work out where Shaun is held

Find all clues using ARI (Crime scene + Mad Jack + Fish tank) and find the Origami Killer