Tower Defense is a strategy-free online game. The main goal of the mobile game is to defend the territory from enemy attacks. You’re obliged to place the correct defense towers in certain places. Play Tower Defense game online, upgrade towers, fortify building elements but remember that the enemy is getting stronger. Tower upgrades are all you have to do in this crazy free strategy game. Play for free and have a lot of fun with your skill and mind! Tower Defense online - this is a real strategy.