GetsuFumaDen: Undying Moon is a dynamic side-scrolling arcade action roguelike in a fantasy setting. In the game, you will act as the guardian and chosen one of the world of the living in order to descend to the very bottom of the Underworld and defeat the source of evil, which is trying to destroy all living things. To do this, you will have access to an extensive arsenal of weapons and otherworldly forces. You will find a colorful visual style made in the traditional Japanese style, a well-developed system for improving weapons and power-ups that work by absorbing souls.