Modern Combat Defense is a base defense game where your goal is to stop the bad guys from destroying your base. Use your powerful weapon to shoot them down. It is auto fire. Dodge incoming bullets. Collect coins on the ground when you defeat an enemy. Upgrade your weapon for faster fire rate and firepower. When thing become overwhelming use the special airstrike. This game is one of the action shooting games on Round Games. Enjoy and have fun in playing this free online amazing action shooting game.