Show support for your troops in 2012. Semper Fi is an army defense game like none other with a complex AI system that learns from your style. Switch between one of three weapons to annihilate your enemies before they annihilate you. Semper FI is packed with so many explosions you are sure to feel the action at your fingertips. Control autonomous naval ships and gun turrets to defend your city. Enjoy the free lite version. Purchase Full Version for Big Bosses,Tanks, more Waves and new enemies!