kingdom rush is awesome game .this game is a tower defense game. the object of each lvl is to survive all the waves if you survive with most of your lives left you receive 3 stars. the stars are used in the upgrade menu to upgrade your various towers or specials. on the top of the screen when looking at the map of all the lvls you can update your facebook or tweet you don't have to but just clicking on the gets you stars (one each).
