Complete the following tasks to unlock PlayStation 4 trophy rewards.

Trophy	How to unlock
Assassin (Bronze)	Kill 100 enemies with knife or blunt.
First step for ranker (Bronze)	Play game for 30 hours.
Joy of victory (Bronze)	First victory of the team.
Killer instinct (Bronze)	Kill 100 enemies.
Massacre (Silver)	Kill 100 enemies with a hand grenade.
Sharpshooter (Silver)	Kill 100 enemies with Headshot.
Shooting master (Silver)	Kill 100 enemies with a secondary weapon.
Sniper (Silver)	Kill 100 enemies with a sniper rifle.
Supporter (Bronze)	Assist 300 times.
Team leader (Gold)	100 wins.
Winning streak (Bronze)	5 straight wins.
Zombie hunter (Bronze)	Kill 1000 zombies.