 20 years later, the Creator uses DNA from the pilots of the Silverguns to create clones and start humanity anew, bringing the story into a loop.Since the company's inception, Treasure had primarily been a developer of action and platform games for home consoles.Sega had repeatedly asked the company to develop an arcade game for them, but Treasure president Masato Maegawa was concerned the shrinking arcade business would be too risky from a business perspective and arcade goers would not appreciate the effort placed into their game.