The game has an unique feature that let's you produce any kind of animal to fight for you, since some people think that the game is hard because of the "animal fusion" system, it's not, because the interface is very very simple, you look, you find what you want... If you play some hours you will be able to use all game features... Play before write a review, because the game is really cool and good... You will probably spent hours playing this game! Try to create your best animals and have fun! Easy Game play, good graphics, worth sound quality... a valuable game... What are you waiting for?