This is the second version of bloons tower defense. The monkey is back and the bloon are back too to take what the monkey has taken in the 1st level. This games has some new added features and new difficulties plus it has different stages. All you have to do is place the defense towers in the place where it is required and you have to stop the balloons from getting to your territory. If enough balloons get into your territory then it is game over for you. You will be able to buy upgrades for your towers from the points you earn when you pop a balloon. make sure you place the towers in the right place.