Vampires kids run from the home and lost the home way, you have to collect all the kids and come back to home. After collecting kids you have to come back home to reach next level.
How to play Vampire Hates Zombie
You have to clear the level without touching Zombies or you will be killed by them, you can use S key to kill enemies. forgot to eat bones, meat and other bloody items and also collect kids of vampires to reach the next level.