Source: Wikipedia, "Darius II (arcade game)", available under the CC-BY-SA License. Darius II, released outside of Japan as Sagaia, is a 1989 arcade video game by Taito. It is the direct sequel to Darius, first released in arcades in 1989. The arcade version kept the same three-screen format as the first game. The power-up system changed slightly: to obtain power-ups, the player had to destroy complete waves of a particular enemy.