It operates at arcade in June 1988. In Japan, the mega drive version was released in the same year, PC engine version was released from NEC Avenue in 1989, Family computer version was released from Asmik in 1990. Delivered at Wii's virtual console in 2006.
Side scrolling action game. When you defeat the enemy character appearing in the stage, Las Celtic Wolf's Albino (white two-headed wolf), a spirit ball appears, and when you take it, the player character will power up and convert it into a beastman when collecting three. Dragons are electric shocks, wear bears are petrified gases, and beast guys have special abilities. Beastmen who can be transformed are fixed for each stage.