For years, the Monster Tower has beckoned to you and, today, on your fifteenth birthday, you have come of age. You can finally enter the Tower to discover what has happened to your father. Though beware: the tower changes every time you step foot into it. Do you follow in your father's footsteps, or live a peaceful life in the town of Monsbaiya? It's time to choose. Discover demon eggs and breed them to create new vicious monsters. Gain fortune and fame to help your family and town grow in prosperity. Journey to the top of the tower with an ever-changing layout of the floors. Search for more powerful monsters inside the tower with your monster familiars.