Rise of the Kasai is an action-adventure game developed by BottleRocket Entertainment and published by Sony Computer Entertainment America exclusively for PlayStation 2. The game serves as a followup to the 2002 action-adventure game The Mark of Kri. Rise of the Kasai centers on a band of warriors known as the Rakus and their battles against the evil sect of dark magicians known as the Kasai led by the traitor of the Rakus Maibisi who plans to collect the six Marks of Kri and unleash a multitude of horrors in order to rule the world. The narrative focuses on a series of events that take place ten years prior to the events of The Mark of Kri and ten years afterwards with levels taking place in the past feature the older generation of the Rakus Baumusu Rau's trainer from The Mark of Kri and a new character named Griz Baumusu's mentor. Meanwhile future levels feature the new generation of the Rakus Rau and Tati Rau's younger sister who bears the Mark of Kri in order to stop Maibisi from unleashing world domination.