Lock the door, build a golem and load your dispensers because a zombie hoard is coming! Dispenser Defense is a Minecarft tower defense game where need to defend what's left of your village using dispensers against 20 waves of zombies. Play mini games that tests your jumping abilities, agility, combat skills and luck to win ammo and other helpful things.
Check out the forum thread for more info:
http://www.minecraftforum.net/topic/1733650-dispenser-defense-3/