Complete the following tasks to unlock PlayStation 4 trophy rewards.

Trophy	How to unlock	Type
Bill to the Rescue	Kill any zombie with a machine gun	Bronze
Clear Victory	Complete any mission with 3 stars	Bronze
Collector	Find 20 items	Silver
Death from the Skies	Kill any zombie with a blue barrel	Bronze
Experienced Survivor	Kill 100 zombies	Bronze
Fan	Reach rank 12	Gold
First Pack	Open a military pack	Bronze
First Upgrade	Upgrade any unit	Bronze
Frozen Meat	Use nitrogen to freeze at least three zombies	Silver
Molotov as Intended	Kill Undead with a Molotov cocktail	Silver
No Exit	Meet the Robber	Silver
Trade Finished	Buy any item from the merchant	Bronze