BY FAR THE BEST TOWER DEFENSE GAME!
Playing this game for years now and this is realy the best tower defense game of the lot. Also better then DZ3. The easy levels are a challenge, the medium also and even the hard levels. And they are ALL doable. Thanks for the Save Game option ;-) And no paying fees whatsoever (like in 3). All levels are difficult from start to end. The programmer did a great job! This is absolutely for me the best TD game on iPad and iPhone. On both platforms good performance on all IOS versions. Don't chose the free version.