after walking home one night a man knocks on your door, thinking its your friend you open it, only to get stabbed 90 times in the head and die, now you are spectating the "Kosmic Killer" a masked man with cosmic levels of power, getting joy from killing. You have the power to stop him. Free his victims by leaving them clues and other things to help escape, then when 90 people are saved, XenoVerse Goku will come one shot him.