Immediately after the Modern Era, in a possible future, Dr. Zombos succeeded in taking over the world. The age of the zombie has come. The world is dominated by the zombies and you (Dave) will be the enemy of the zombie society.
In this world, the zombies have settled down and established their own system. Humans and other living things are treated as livestocks for zombie consumption.
The world have 5 mini-boss.
Zombie Tank (Mega-Leg)
Zonbie Fortress (Mega-Body)
Zonbie Dragon (Mega-Hand)
Zombie Bat (Mega-Wing)
Zombie Saucer (Mega-Head)
After you beat all mini-boss, they will merge together to form MEGAZOMBOSS for the climatic battle.
