Complete the following tasks to unlock PlayStation 4 trophy rewards.

Trophy	How to unlock
Crasher (Silver)	Explode atleast 100 cars in one session.
Dongerino (Silver)	Kill first Undead Boss.
Exterminator (Silver)	Kill 500.000 zombies.
Level Up (Silver)	Rack up to 30 level.
Lock'n'Load (Bronze)	Kill at least 1.000 zombies with each weapon type.
Melee Master (Bronze)	Use melee attack 100 times in one session.
Pacifist (Silver)	Don't shoot for whole six minutes and survive.
RAMPAGE! (Bronze)	Perform a rampage attack.
Stay Alive (Gold)	Stay alive at least 60 minutes.
XP+ (Silver)	Get 10.000.000 experience points in the single session.