Defense of World UFO

Your world is under attack in the Defense of World Tower Defense game.  The aliens from the galaxy known as Tadpole are on the war path and want to destroy your planet.  Their main goal is to find more food since they"ve eaten all of the food from their own planet.  Build up your tower defenses and use your different towers and turrets wisely.  Earn money to buy new tower defenses or upgrade your existing ones.  Let"s see if you can stop this alien invasion in the Defense of World UFO TD game.