Graveyard Units

Zombies
As of now there are not many zombies in the game. However the few that are in the game shall be explained here.

Zombie

 * The most basic zombie.
 * Cost 10 energy to summon when clicking on the ground.
 * Multiple can be spawned at once by holding the Shift or Ctrl keys while clicking. Max is 100 limited by your available Energy
 * Once the Cursed Graveyard has been built, it can be set to automatically summon Zombies when the Energy meter is full.
 * When the zombie is taken down you can collect their brain as an item which is a type of currency (if you have the recycling upgrade)
 * The energy can be reduced by buying Master of Death upgrade using prestige points.

GigaZombie

 * Has x10 the attack and health of a regular Zombie
 * All summoned Zombies for five seconds after the Gigazombies spell is cast will be GigaZombies.
 * Caged Zombies released while the spell is active will also be GigaZombies.

ZombDog

 * This unit can only be obtained in one way. The Your Soul is Mine! upgrade that increases the chance for a corpse to turn into a zombie must be purchased. When a Dog dies, it can now raise as a Zombie Dog. If a Dog resurrects during a Giga Zombie spell it becomes a Giga Zombie Dog.  Sweet.

Burning Zombie

 * Not so much a unit as an effect. If a human with a torch lights your zombie on fire and you have the Blazing Speed upgrade, your zombie will move faster and attack faster.
 * Zombies on fire trail smoke and will have the Fire.png icon appear above their heads periodically.

TIP: If a burning zombie is about to die, it will be very slow between the fire effects.

Bone Collector

 * Collect Bones from fallen Enemies or Zombies.
 * Do not engage in combat.
 * Found on the Minions tab of the Graveyard menu, after the Cursed Graveyard has been built.
 * Each active collector reduces Energy Rate by 1.0 per second.
 * Can initially carry 10 Bones.
 * Spins like a ninja shuriken when moves
 * Capacity can be increased by the Bonebarrows upgrade or by Trophies.

Harpy

 * Drop plague bombs on Enemies. Damage scales with Zombie health. Infected enemies have Plague.png periodically float above their heads.
 * Carries single bomb, must return to the Graveyard to rearm.
 * Cannot be engaged in combat by Enemies.
 * Found on the Minions tab of the Graveyard menu, after the Accursed Aviary has been built.
 * If you have used Energy Charge, the number of Harpies can be greatly increased while the spell is active. When the spell ends, the extra harpies are removed but the bombs they still carried will drop from the spot they were removed from.
 * Each active Harpy reduces Energy Rate by 1.0 per second.
 * With the Tank Buster upgrade they can drop firebombs on Tanks during Boss levels.
 * Flight speed may be increased with Faster Harpies upgrade.
 * Number of carried bombs may be increased by the Bombs Away upgrade. This also affects firebombs.