Use a legendary forbidden sword to complete missions as you slash through an infinite army of ninjas. Although the sword grants tremendous power, it must constantly feed on blood - whether it be that of enemies or of the wielder himself.
Use the archer's bow and the wizard's spells to lay waste to the empire's approaching forces. Take on a wide array of enemy types and defeat powerful bosses. Earn points from each battle to upgrade your attacks, spells, and castle.
Explore a variety of alien planets and mine them for resources while avoiding any dangerous indigenous life. Use resources to research and craft upgrades that will help you dig deeper and survive harsher elements.