Defeat everyone who stands in your way to eliminate Queen Nerissa of the vampiric kingdom Steam Veins, before her bite turns you into a servant of those demonic creatures.
Buy drinks from the vending machines and gain great powers from the bosses when you defeat them. Before each battle, buy items from your sister Cassandra, who will be waiting for you just before each boss fight.
Get your starting ticket from your adoptive mother Melinda and begin in the castle of your choice. Between levels, choose with the conductor Mak — from a random selection — which castle you want to advance to.
Face a total of five intense and challenging boss battles against the kings or queens of each castle.