BloodRayne Betrayal is a hardcore side-scrolling action platformer set in the BloodRayne universe. You can once again join the vampire Bloodrain, who releases rivers of blood from her enemies. The heroine is hired by the Brimstone hunting society to get a magic ball from the depths of a gloomy castle. With the help of a mysterious friend and members of Brimstone, infiltrate the castle and chop up everyone who gets in your way.