Grid of Defense is a tower defense game where you must deploy your military force at the correct place to defend against enemy tank invasion. The enemy tanks are coming straight to you. There is no time left to ask your allies for help. So you need to figure out what you should do with the things you have in this moment. Spend money on building the defensive structures and stop the enemy. This game is one of the strategy games at Round Games. Enjoy and have fun in playing this game.