As you go to the world called Eisydia, you will realize that the place has a violent and tragic history involving many wars. You will be taking part in interactions at the start of the game to have better understanding of the game play. There are many levels and in each level of the game, you need to get into action using various attack options to eliminate all the enemies and accomplish the tasks as per the briefings. The killed enemies will yield certain items, which ought to be collected, but remember they keep attacking as long as they are alive and you must dodge their attacks. There are so many useful achievements and upgrades available in the game.