Zombies Ate My Neighbors

In the game you are a male or female protagonist (Zeke or Julia), fighting the vampires, mummies, zombies, etc. on over 50 levels (not including secrets) and saving all of the people you find. There are defined number of neighbors you save on every level. When they are free then "Exit" door opens and you jump on next level.The levels differ from mall and grocery store to beaches and football field...