Since crystal deffenders came out I bought the full version and it rocks. The characters that you use in the game are awsome and have the best range of attackers. Not to mention this is the first game to use characters instead of towers or machines. The controls may look bad but you can also use the touch screen and press around like fieldrunners. The d stick like thing works a lot better and once you get used to it you will love it. Also when your playing a wave just tilt the screen horozontily and it will fit the screen and have the ever so wanted speed up button. The maps, characters, attacks, and monsters are neatly made and has some of the best graphics. This game lasted me around an hour beatng the first level. This game is greatly advised.