#KILLALLZOMBIES Cheats - PS Vita
Dongerino (Silver) - Kill first Undead Boss.
Exterminator (secret) (Silver) - Kill 500,000 zombies.
Level Up (secret) (Silver) - Rack up to 30 level.
Lock'n'Load (secret) (Silver) - Kill at least 1,000 zombies with each weapon type.
Melee Master (secret) (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.