If more than half of the EVC’s contain the word “Confusion”, Add the following subrule to “Species”:

Confused zombie:

Attack: 0
Health: 1
Cost: 2
Behavior: Selects a random adjacent square.  If it does not contain a plant or a zombie, moves there.  If this move places Confused Zombie next to another Confused zombie, the former (i.e., the Confused Zombie that just moved) explodes.

If more than half of the EVC’s contain the word “Handiness”, Add the following subrule to “Species”:

Zombie Hand:

Attack: 0
Health: 1
Cost: 1
Behavior: If the square to Zombie’s Hand is empty or contains a house, Zombie Hand moves one square to the left.  Otherwise, Zombie Hand is destroyed.

If more than half of the EVC’s contain the word “Loneliness”, Add the following subrule to “Species”:

Outcast Zombie:

Attack: 2
Health: 2
Cost: 5
Behaviour: Moves to a random adjacent square. Attacks anything located there.  Then, all zombies adjacent to Outcast Zombie attack Outcast Zombie.