Prevent the invasion of the human forces to our land in this incredible and addictive action/shooter game. Buy upgrades, unlock achievements, collect power ups and much more in this defense game. Enjoy the incredible experience through 16 levels,destroy a powerfull boss and complete the game in the 3 difficulty modes.Use your tower to stop the aliens invading your planet in this mashup of 2D tower defense game and fast-paced shooter. Earn money to upgrade the tower, and shoot parachuting boxes to get power ups in this colorful, mouse controlled shoot-fest.Much fun!Join now and have fun!