Save your nation from destruction by completing a series of defense missions. Strategically build towers to eliminate waves of enemy soldiers before they destroy your castle. As you progress, new towers become available for you to build.
Aliens have landed and want to eat the farmers' brains! You must defend the barn. Strategically arrange the crop circles to make them follow a path of your choice. Then place your military assets and blast them back to space!
Buy troops and tanks to place around the smuggling route. You have to stop the notorious drug trafficker that goes by the alias of 'Asian White Pearl'.
The aliens are back to snack on farmer brains. This time they are filled with ACID BLOOD! Look out, the acid will harm your defenses. Strategically place the crop circles to make the maze then set up your defenses and blast the aliens back to outer space.
To Protect the Earth from alien invasion, you're given a ship class AT-021. But unfortunately the Earth doesn't have enough resources to supply new arms to the ship. Improve the ship by collecting weapons through battles and buy turrets to defend.
Play as a machine gunner defending your beach from an enemy invasion. Survive 10 waves and win the game. Each wave gets harder and harder. Don't allow more than 10 enemy soldiers make it to your defensive wall.