Play intense tower defence and strategy games online on vitalitygames.com. Click to play now Grid Of Defense games on vitality games.Welcome commander, it si me, Lieutenant Kora Bond. I have prepared a report about our enemies for you. We know that spy engineers have entered our military base. They have modified our tanks, installed a satellite control system and small nuclear bombs! The tanks are moving like blind kamikaze on civilians. You must protect the country from danger. You are their last hope. Install hangars and bunkers to protect civilians. Have fun.