So far the US army is on a roll since they are winning and the invading forces are now being driven off the lands. But, that is not enough as they might come back stronger. It would be better if the enemies would not come back. We need to demoralize them by defeating them completely. The game is played with a mouse and the idea here is to defeat the invading forces. You need to place your soldier strategically where they can hit the most and they would be hard to hit. The game gets harder as you make some progress.