The players can only advance in the next chapter if he/she completed every stage of the chapter, in every level the player must also collect some fragment key to advance the next stage. The Game Activity comprised of multiple objects. Each stage has different background and different collectible rune depending on the stage. For Ivern, the background of the stage is in the polluted forest. For Ishvalai, the background is in the polluted sea. For Irelian the background is volcano and there are some obstacle to pass through. For Illao, the background is in the top of hills that is surrounded by polluted air.
