Looking for the best 3d unity or webGL strategy defense and tower defense game? The here on brightestgames we have special category for tower defense game and castle defense game waiting for you just to have fun online! Try this new 3d War Of Iron games for free on brightest games. War of Iron is a great strategy 3d game with many challenging levels. Come up with a strategy and build towers to destroy and defend waves of tanks! Choose the right position and build one of 2 unlocked towers and upgrade them to have more fire power and damage. It is better to build first not more than 2 cannons or rocket launchers and upgrade them. As you progress through the game enemies will be more and more hard to kill. Use the two special attacks - mines and air support in the form of a helicopter so you can survive and finish the game.